K02F Sub-Family Reference Manual - NXP …cache.freescale.com/files/microcontrollers/doc/ref...Section number Title Page 9.4 System TAP connection 167 9.4.1 IR Codes ...

K02F Sub-Family Reference ManualSupports: MK02FN128VLH10, MK02FN128VLF10,

MK02FN128VFM10, MK02FN64VLH10, MK02FN64VLF10,MK02FN64VFM10

Document Number: K02P64M100SFARMRev. 2, 08/2016

K02F Sub-Family Reference Manual, Rev. 2, 08/2016

2 NXP Semiconductors

Contents

Section number Title Page

Chapter 1About This Document

1.1 Overview.......................................................................................................................................................................39

1.1.1 Purpose...........................................................................................................................................................39

1.1.2 Audience........................................................................................................................................................ 39

1.2 Conventions.................................................................................................................................................................. 39

1.2.1 Numbering systems........................................................................................................................................39

1.2.2 Typographic notation..................................................................................................................................... 40

1.2.3 Special terms.................................................................................................................................................. 40

Chapter 2Introduction

2.1 Overview.......................................................................................................................................................................41

2.2 Module Functional Categories......................................................................................................................................41

2.2.1 ARM Cortex-M4 Core Modules.............................................................................................................. 42

2.2.2 System Modules.............................................................................................................................................43

2.2.3 Memories and Memory Interfaces................................................................................................................. 43

2.2.4 Clocks.............................................................................................................................................................44

2.2.5 Security and Integrity modules...................................................................................................................... 44

2.2.6 Analog modules............................................................................................................................................. 44

2.2.7 Timer modules............................................................................................................................................... 45

2.2.8 Communication interfaces............................................................................................................................. 46

2.2.9 Human-machine interfaces............................................................................................................................ 46

2.3 Orderable part numbers.................................................................................................................................................47

Chapter 3Chip Configuration

3.1 Introduction...................................................................................................................................................................49

3.2 Core modules................................................................................................................................................................ 49

3.2.1 ARM Cortex-M4 Core Configuration............................................................................................................49


NXP Semiconductors 3


3.2.2 Nested Vectored Interrupt Controller (NVIC) Configuration........................................................................51

3.2.3 Asynchronous Wake-up Interrupt Controller (AWIC) Configuration...........................................................57

3.2.4 FPU Configuration.........................................................................................................................................58

3.2.5 JTAG Controller Configuration..................................................................................................................... 58

3.3 System modules............................................................................................................................................................ 59

3.3.1 SIM Configuration......................................................................................................................................... 59

3.3.2 System Mode Controller (SMC) Configuration.............................................................................................60

3.3.3 PMC Configuration........................................................................................................................................60

3.3.4 Low-Leakage Wake-up Unit (LLWU) Configuration................................................................................... 61

3.3.5 MCM Configuration...................................................................................................................................... 62

3.3.6 Crossbar-Light Switch Configuration............................................................................................................63

3.3.7 Peripheral Bridge Configuration....................................................................................................................65

3.3.8 DMA request multiplexer configuration........................................................................................................66

3.3.9 DMA Controller Configuration..................................................................................................................... 68

3.3.10 External Watchdog Monitor (EWM) Configuration......................................................................................69

3.3.11 Watchdog Configuration................................................................................................................................71

3.4 Clock modules.............................................................................................................................................................. 72

3.4.1 MCG Configuration....................................................................................................................................... 72

3.4.2 OSC Configuration........................................................................................................................................ 74

3.5 Memories and memory interfaces.................................................................................................................................74

3.5.1 Flash Memory Configuration.........................................................................................................................74

3.5.2 Flash Memory Controller Configuration....................................................................................................... 77

3.5.3 SRAM Configuration.....................................................................................................................................78

3.6 Security......................................................................................................................................................................... 80

3.6.1 CRC Configuration........................................................................................................................................ 80

3.7 Analog...........................................................................................................................................................................81

3.7.1 16-bit SAR ADC Configuration.................................................................................................................... 81

3.7.2 CMP Configuration........................................................................................................................................86

3.7.3 12-bit DAC Configuration............................................................................................................................. 88




3.7.4 VREF Configuration...................................................................................................................................... 89

3.8 Timers........................................................................................................................................................................... 90

3.8.1 PDB Configuration........................................................................................................................................ 90

3.8.2 FlexTimer Configuration............................................................................................................................... 93

3.8.3 PIT Configuration.......................................................................................................................................... 99

3.8.4 Low-power timer configuration..................................................................................................................... 100

3.9 Communication interfaces............................................................................................................................................ 102

3.9.1 SPI configuration........................................................................................................................................... 102

3.9.2 I2C Configuration.......................................................................................................................................... 105

3.9.3 UART Configuration..................................................................................................................................... 106

3.10 Human-machine interfaces........................................................................................................................................... 108

3.10.1 GPIO configuration........................................................................................................................................108

Chapter 4Memory Map

4.1 Introduction...................................................................................................................................................................111

4.2 System memory map.....................................................................................................................................................111

4.2.1 Aliased bit-band regions................................................................................................................................ 112

4.2.2 Flash Access Control Introduction.................................................................................................................114

4.3 Flash Memory Map.......................................................................................................................................................114

4.3.1 Alternate Non-Volatile IRC User Trim Description......................................................................................115

4.4 SRAM memory map.....................................................................................................................................................115

4.5 Peripheral bridge (AIPS-Lite) memory map.................................................................................................................116

4.5.1 Read-after-write sequence and required serialization of memory operations................................................116

4.5.2 Peripheral Bridge 0 (AIPS-Lite 0) Memory Map.......................................................................................... 116

4.6 Private Peripheral Bus (PPB) memory map..................................................................................................................120

Chapter 5Clock Distribution

5.1 Introduction...................................................................................................................................................................123

5.2 Programming model......................................................................................................................................................123




5.3 High-Level device clocking diagram............................................................................................................................123

5.4 Clock definitions...........................................................................................................................................................124

5.4.1 Device clock summary...................................................................................................................................125

5.5 Internal clocking requirements..................................................................................................................................... 127

5.5.1 Clock divider values after reset......................................................................................................................128

5.5.2 VLPR mode clocking.....................................................................................................................................128

5.6 Clock Gating................................................................................................................................................................. 129

5.7 Module clocks...............................................................................................................................................................129

5.7.1 PMC 1-kHz LPO clock.................................................................................................................................. 130

5.7.2 IRC 48MHz clock.......................................................................................................................................... 130

5.7.3 WDOG clocking............................................................................................................................................ 131

5.7.4 Debug trace clock...........................................................................................................................................131

5.7.5 PORT digital filter clocking...........................................................................................................................132

5.7.6 LPTMR clocking............................................................................................................................................132

5.7.7 CLKOUT32K clocking..................................................................................................................................133

5.7.8 UART clocking.............................................................................................................................................. 133

Chapter 6Reset and Boot

6.1 Introduction...................................................................................................................................................................135

6.2 Reset..............................................................................................................................................................................135

6.2.1 Power-on reset (POR).................................................................................................................................... 136

6.2.2 System reset sources...................................................................................................................................... 136

6.2.3 MCU Resets................................................................................................................................................... 139

6.2.4 Reset Pin ....................................................................................................................................................... 141

6.2.5 Debug resets...................................................................................................................................................141

6.3 Boot...............................................................................................................................................................................142

6.3.1 Boot sources...................................................................................................................................................142

6.3.2 Boot options................................................................................................................................................... 142

6.3.3 FOPT boot options......................................................................................................................................... 143




6.3.4 Boot sequence................................................................................................................................................ 144

Chapter 7Power Management

7.1 Introduction...................................................................................................................................................................147

7.2 Clocking modes............................................................................................................................................................ 147

7.2.1 Partial Stop.....................................................................................................................................................147

7.2.2 DMA Wakeup................................................................................................................................................ 148

7.2.3 Compute Operation........................................................................................................................................ 149

7.2.4 Peripheral Doze..............................................................................................................................................150

7.2.5 Clock Gating.................................................................................................................................................. 151

7.3 Power Modes Description.............................................................................................................................................151

7.4 Entering and exiting power modes............................................................................................................................... 153

7.5 Power mode transitions.................................................................................................................................................154

7.6 Power modes shutdown sequencing............................................................................................................................. 155

7.7 Flash Program Restrictions...........................................................................................................................................156

7.8 Module Operation in Low Power Modes......................................................................................................................156

Chapter 8Security

8.1 Introduction...................................................................................................................................................................161

8.2 Flash Security............................................................................................................................................................... 161

8.3 Security Interactions with other Modules..................................................................................................................... 162

8.3.1 Security Interactions with Debug...................................................................................................................162

Chapter 9Debug

9.1 Introduction...................................................................................................................................................................163

9.1.1 References......................................................................................................................................................165

9.2 The Debug Port.............................................................................................................................................................166

9.2.1 JTAG-to-SWD change sequence................................................................................................................... 166

9.2.2 JTAG-to-cJTAG change sequence.................................................................................................................167

9.3 Debug Port Pin Descriptions.........................................................................................................................................167




9.4 System TAP connection................................................................................................................................................167

9.4.1 IR Codes.........................................................................................................................................................168

9.5 JTAG status and control registers................................................................................................................................. 168

9.5.1 MDM-AP Control Register............................................................................................................................169

9.5.2 MDM-AP Status Register.............................................................................................................................. 171

9.6 Debug Resets................................................................................................................................................................ 172

9.7 AHB-AP........................................................................................................................................................................173

9.8 ITM............................................................................................................................................................................... 173

9.9 Core Trace Connectivity............................................................................................................................................... 174

9.10 TPIU..............................................................................................................................................................................174

9.11 DWT............................................................................................................................................................................. 174

9.12 Debug in Low Power Modes........................................................................................................................................ 175

9.12.1 Debug Module State in Low Power Modes................................................................................................... 175

9.13 Debug & Security......................................................................................................................................................... 176

Chapter 10Signal Multiplexing and Signal Descriptions

10.1 Introduction...................................................................................................................................................................177

10.2 Signal Multiplexing Integration....................................................................................................................................177

10.2.1 Port control and interrupt module features.................................................................................................... 178

10.2.2 Clock gating................................................................................................................................................... 179

10.2.3 Signal multiplexing constraints......................................................................................................................179

10.3 Pinout............................................................................................................................................................................ 179

10.3.1 K02F Signal Multiplexing and Pin Assignments...........................................................................................179

10.3.2 K02F Pinouts..................................................................................................................................................182

10.4 Module Signal Description Tables................................................................................................................................185

10.4.1 Core Modules.................................................................................................................................................185

10.4.2 System Modules.............................................................................................................................................186

10.4.3 Clock Modules............................................................................................................................................... 186

10.4.4 Analog............................................................................................................................................................187




10.4.5 Timer Modules...............................................................................................................................................188

10.4.6 Communication Interfaces............................................................................................................................. 189

10.4.7 Human-Machine Interfaces (HMI)................................................................................................................ 190

Chapter 11Port Control and Interrupts (PORT)

11.1 Introduction...................................................................................................................................................................191

11.2 Overview.......................................................................................................................................................................191

11.2.1 Features.......................................................................................................................................................... 191

11.2.2 Modes of operation........................................................................................................................................ 192

11.3 External signal description............................................................................................................................................193

11.4 Detailed signal description............................................................................................................................................193

11.5 Memory map and register definition.............................................................................................................................193

11.5.1 Pin Control Register n (PORTx_PCRn).........................................................................................................200

11.5.2 Global Pin Control Low Register (PORTx_GPCLR).................................................................................... 203

11.5.3 Global Pin Control High Register (PORTx_GPCHR)...................................................................................203

11.5.4 Interrupt Status Flag Register (PORTx_ISFR).............................................................................................. 204

11.5.5 Digital Filter Enable Register (PORTx_DFER).............................................................................................204

11.5.6 Digital Filter Clock Register (PORTx_DFCR)..............................................................................................205

11.5.7 Digital Filter Width Register (PORTx_DFWR)............................................................................................ 205

11.6 Functional description...................................................................................................................................................206

11.6.1 Pin control...................................................................................................................................................... 206

11.6.2 Global pin control.......................................................................................................................................... 207

11.6.3 External interrupts..........................................................................................................................................207

11.6.4 Digital filter....................................................................................................................................................208

Chapter 12System Integration Module (SIM)

12.1 Introduction...................................................................................................................................................................211

12.1.1 Features.......................................................................................................................................................... 211





12.2.1 System Options Register 1 (SIM_SOPT1).................................................................................................... 213

12.2.2 SOPT1 Configuration Register (SIM_SOPT1CFG)......................................................................................214






12.2.8 System Device Identification Register (SIM_SDID).....................................................................................224

12.2.9 System Clock Gating Control Register 4 (SIM_SCGC4)..............................................................................226




12.2.13 System Clock Divider Register 1 (SIM_CLKDIV1).....................................................................................232

12.2.14 Flash Configuration Register 1 (SIM_FCFG1)............................................................................................. 235

12.2.15 Flash Configuration Register 2 (SIM_FCFG2)............................................................................................. 236

12.2.16 Unique Identification Register High (SIM_UIDH)....................................................................................... 237

12.2.17 Unique Identification Register Mid-High (SIM_UIDMH)............................................................................237

12.2.18 Unique Identification Register Mid Low (SIM_UIDML)............................................................................. 238

12.2.19 Unique Identification Register Low (SIM_UIDL)........................................................................................ 238


Chapter 13Kinetis Flashloader

13.1 Chip-Specific Information............................................................................................................................................ 239

13.2 Introduction...................................................................................................................................................................239

13.3 Functional Description..................................................................................................................................................241

13.3.1 Memory Maps................................................................................................................................................ 241

13.3.2 Start-up Process..............................................................................................................................................241

13.3.3 Clock Configuration.......................................................................................................................................242

13.3.4 Flashloader Protocol...................................................................................................................................... 242




13.3.5 Flashloader Packet Types...............................................................................................................................247

13.3.6 Flashloader Command API............................................................................................................................254

13.4 Peripherals Supported................................................................................................................................................... 273

13.4.1 I2C Peripheral................................................................................................................................................ 273

13.4.2 SPI Peripheral................................................................................................................................................ 275

13.4.3 UART Peripheral........................................................................................................................................... 277

13.5 Get/SetProperty Command Properties..........................................................................................................................280

13.5.1 Property Definitions.......................................................................................................................................281

13.6 Kinetis Flashloader Status Error Codes........................................................................................................................ 283

Chapter 14Reset Control Module (RCM)

14.1 Introduction...................................................................................................................................................................285

14.2 Reset memory map and register descriptions............................................................................................................... 285

14.2.1 System Reset Status Register 0 (RCM_SRS0).............................................................................................. 286

14.2.2 System Reset Status Register 1 (RCM_SRS1).............................................................................................. 287

14.2.3 Reset Pin Filter Control register (RCM_RPFC)............................................................................................ 289

14.2.4 Reset Pin Filter Width register (RCM_RPFW)............................................................................................. 290

14.2.5 Sticky System Reset Status Register 0 (RCM_SSRS0).................................................................................291

14.2.6 Sticky System Reset Status Register 1 (RCM_SSRS1).................................................................................292

Chapter 15System Mode Controller (SMC)

15.1 Introduction...................................................................................................................................................................295

15.2 Modes of operation....................................................................................................................................................... 295

15.3 Memory map and register descriptions.........................................................................................................................297

15.3.1 Power Mode Protection register (SMC_PMPROT).......................................................................................298

15.3.2 Power Mode Control register (SMC_PMCTRL)...........................................................................................299

15.3.3 Stop Control Register (SMC_STOPCTRL)...................................................................................................301

15.3.4 Power Mode Status register (SMC_PMSTAT)............................................................................................. 302





15.4.1 Power mode transitions..................................................................................................................................303

15.4.2 Power mode entry/exit sequencing................................................................................................................ 306

15.4.3 Run modes......................................................................................................................................................308

15.4.4 Wait modes.................................................................................................................................................... 310

15.4.5 Stop modes.....................................................................................................................................................310

15.4.6 Debug in low power modes........................................................................................................................... 313

Chapter 16Power Management Controller (PMC)

16.1 Introduction...................................................................................................................................................................315

16.2 Features.........................................................................................................................................................................315

16.3 Low-voltage detect (LVD) system................................................................................................................................315

16.3.1 LVD reset operation.......................................................................................................................................316

16.3.2 LVD interrupt operation.................................................................................................................................316

16.3.3 Low-voltage warning (LVW) interrupt operation......................................................................................... 316

16.4 I/O retention..................................................................................................................................................................317


16.5.1 Low Voltage Detect Status And Control 1 register (PMC_LVDSC1).......................................................... 318

16.5.2 Low Voltage Detect Status And Control 2 register (PMC_LVDSC2).......................................................... 319

16.5.3 Regulator Status And Control register (PMC_REGSC)................................................................................ 320

Chapter 17Low-Leakage Wakeup Unit (LLWU)

17.1 Introduction...................................................................................................................................................................323

17.1.1 Features.......................................................................................................................................................... 323


17.1.3 Block diagram................................................................................................................................................ 325

17.2 LLWU signal descriptions............................................................................................................................................ 326

17.3 Memory map/register definition................................................................................................................................... 326

17.3.1 LLWU Pin Enable 1 register (LLWU_PE1)..................................................................................................327







17.3.5 LLWU Module Enable register (LLWU_ME).............................................................................................. 331

17.3.6 LLWU Flag 1 register (LLWU_F1)...............................................................................................................333



17.3.9 LLWU Pin Filter 1 register (LLWU_FILT1)................................................................................................ 338

17.3.10 LLWU Pin Filter 2 register (LLWU_FILT2)................................................................................................ 339


17.4.1 LLS mode.......................................................................................................................................................341

17.4.2 VLLS modes.................................................................................................................................................. 341

17.4.3 Initialization................................................................................................................................................... 341

Chapter 18Miscellaneous Control Module (MCM)

18.1 Introduction...................................................................................................................................................................343

18.1.1 Features.......................................................................................................................................................... 343

18.2 Memory map/register descriptions............................................................................................................................... 343

18.2.1 Crossbar Switch (AXBS) Slave Configuration (MCM_PLASC)..................................................................344

18.2.2 Crossbar Switch (AXBS) Master Configuration (MCM_PLAMC).............................................................. 344

18.2.3 Crossbar Switch (AXBS) Control Register (MCM_PLACR)....................................................................... 345

18.2.4 Interrupt Status and Control Register (MCM_ISCR).................................................................................... 345

18.2.5 Compute Operation Control Register (MCM_CPO)..................................................................................... 348


18.3.1 Interrupts........................................................................................................................................................ 349

Chapter 19Crossbar Switch Lite (AXBS-Lite)

19.1 Introduction...................................................................................................................................................................351

19.1.1 Features.......................................................................................................................................................... 351

19.2 Memory Map / Register Definition...............................................................................................................................352





19.3.1 General operation...........................................................................................................................................352

19.3.2 Arbitration......................................................................................................................................................353

19.4 Initialization/application information........................................................................................................................... 354

Chapter 20Peripheral Bridge (AIPS-Lite)

20.1 Introduction...................................................................................................................................................................355

20.1.1 Features.......................................................................................................................................................... 355

20.1.2 General operation...........................................................................................................................................355



20.3.1 Access support............................................................................................................................................... 356

Chapter 21Direct Memory Access Multiplexer (DMAMUX)

21.1 Introduction...................................................................................................................................................................357

21.1.1 Overview........................................................................................................................................................357

21.1.2 Features.......................................................................................................................................................... 358




21.3.1 Channel Configuration register (DMAMUX_CHCFGn).............................................................................. 359


21.4.1 DMA channels with periodic triggering capability........................................................................................361

21.4.2 DMA channels with no triggering capability.................................................................................................363

21.4.3 Always-enabled DMA sources...................................................................................................................... 363


21.5.1 Reset...............................................................................................................................................................365

21.5.2 Enabling and configuring sources..................................................................................................................365

Chapter 22Enhanced Direct Memory Access (eDMA)




22.1 Introduction...................................................................................................................................................................369

22.1.1 eDMA system block diagram........................................................................................................................ 369

22.1.2 Block parts..................................................................................................................................................... 370

22.1.3 Features.......................................................................................................................................................... 371



22.3.1 TCD memory................................................................................................................................................. 373

22.3.2 TCD initialization.......................................................................................................................................... 373

22.3.3 TCD structure.................................................................................................................................................373

22.3.4 Reserved memory and bit fields.....................................................................................................................374

22.3.5 Control Register (DMA_CR).........................................................................................................................378

22.3.6 Error Status Register (DMA_ES).................................................................................................................. 381

22.3.7 Enable Request Register (DMA_ERQ)......................................................................................................... 383

22.3.8 Enable Error Interrupt Register (DMA_EEI).................................................................................................384

22.3.9 Clear Enable Error Interrupt Register (DMA_CEEI).................................................................................... 385

22.3.10 Set Enable Error Interrupt Register (DMA_SEEI)........................................................................................ 386

22.3.11 Clear Enable Request Register (DMA_CERQ)............................................................................................. 387

22.3.12 Set Enable Request Register (DMA_SERQ)................................................................................................. 388

22.3.13 Clear DONE Status Bit Register (DMA_CDNE).......................................................................................... 389

22.3.14 Set START Bit Register (DMA_SSRT)........................................................................................................ 390

22.3.15 Clear Error Register (DMA_CERR)..............................................................................................................391

22.3.16 Clear Interrupt Request Register (DMA_CINT)........................................................................................... 392

22.3.17 Interrupt Request Register (DMA_INT)........................................................................................................393

22.3.18 Error Register (DMA_ERR).......................................................................................................................... 394

22.3.19 Hardware Request Status Register (DMA_HRS).......................................................................................... 395

22.3.20 Enable Asynchronous Request in Stop Register (DMA_EARS)...................................................................397

22.3.21 Channel n Priority Register (DMA_DCHPRIn)............................................................................................ 398

22.3.22 TCD Source Address (DMA_TCDn_SADDR).............................................................................................399

22.3.23 TCD Signed Source Address Offset (DMA_TCDn_SOFF)..........................................................................399




22.3.24 TCD Transfer Attributes (DMA_TCDn_ATTR)...........................................................................................400

22.3.25 TCD Minor Byte Count (Minor Loop Mapping Disabled) (DMA_TCDn_NBYTES_MLNO)................... 401

22.3.26 TCD Signed Minor Loop Offset (Minor Loop Mapping Enabled and Offset Disabled)

(DMA_TCDn_NBYTES_MLOFFNO)......................................................................................................... 401

22.3.27 TCD Signed Minor Loop Offset (Minor Loop Mapping and Offset Enabled)

(DMA_TCDn_NBYTES_MLOFFYES)....................................................................................................... 403

22.3.28 TCD Last Source Address Adjustment (DMA_TCDn_SLAST)...................................................................404

22.3.29 TCD Destination Address (DMA_TCDn_DADDR).....................................................................................404

22.3.30 TCD Signed Destination Address Offset (DMA_TCDn_DOFF)..................................................................405

22.3.31 TCD Current Minor Loop Link, Major Loop Count (Channel Linking Enabled)

(DMA_TCDn_CITER_ELINKYES).............................................................................................................405

22.3.32 TCD Current Minor Loop Link, Major Loop Count (Channel Linking Disabled)

(DMA_TCDn_CITER_ELINKNO).............................................................................................................. 407

22.3.33 TCD Last Destination Address Adjustment/Scatter Gather Address (DMA_TCDn_DLASTSGA)............ 408

22.3.34 TCD Control and Status (DMA_TCDn_CSR).............................................................................................. 408

22.3.35 TCD Beginning Minor Loop Link, Major Loop Count (Channel Linking Enabled)

(DMA_TCDn_BITER_ELINKYES).............................................................................................................411

22.3.36 TCD Beginning Minor Loop Link, Major Loop Count (Channel Linking Disabled)

(DMA_TCDn_BITER_ELINKNO).............................................................................................................. 412


22.4.1 eDMA basic data flow................................................................................................................................... 413

22.4.2 Fault reporting and handling.......................................................................................................................... 416

22.4.3 Channel preemption....................................................................................................................................... 418

22.4.4 Performance................................................................................................................................................... 418


22.5.1 eDMA initialization....................................................................................................................................... 423

22.5.2 Programming errors....................................................................................................................................... 425

22.5.3 Arbitration mode considerations....................................................................................................................425

22.5.4 Performing DMA transfers............................................................................................................................ 426

22.5.5 Monitoring transfer descriptor status............................................................................................................. 430




22.5.6 Channel Linking.............................................................................................................................................432

22.5.7 Dynamic programming.................................................................................................................................. 433

22.5.8 Lockstep......................................................................................................................................................... 436

Chapter 23External Watchdog Monitor (EWM)

23.1 Introduction...................................................................................................................................................................439

23.1.1 Features.......................................................................................................................................................... 439

23.1.2 Modes of Operation....................................................................................................................................... 440

23.1.3 Block Diagram............................................................................................................................................... 441

23.2 EWM Signal Descriptions............................................................................................................................................ 442

23.3 Memory Map/Register Definition.................................................................................................................................442

23.3.1 Control Register (EWM_CTRL)................................................................................................................... 442

23.3.2 Service Register (EWM_SERV)....................................................................................................................443

23.3.3 Compare Low Register (EWM_CMPL)........................................................................................................ 443

23.3.4 Compare High Register (EWM_CMPH).......................................................................................................444

23.3.5 Clock Prescaler Register (EWM_CLKPRESCALER).................................................................................. 445


23.4.1 The EWM_out Signal.................................................................................................................................... 445

23.4.2 The EWM_in Signal...................................................................................................................................... 446

23.4.3 EWM Counter................................................................................................................................................ 447

23.4.4 EWM Compare Registers.............................................................................................................................. 447

23.4.5 EWM Refresh Mechanism.............................................................................................................................447

23.4.6 EWM Interrupt...............................................................................................................................................448

23.4.7 Counter clock prescaler..................................................................................................................................448

Chapter 24Watchdog Timer (WDOG)

24.1 Introduction...................................................................................................................................................................449

24.2 Features.........................................................................................................................................................................449

24.3 Functional overview......................................................................................................................................................450




24.3.1 Unlocking and updating the watchdog...........................................................................................................452

24.3.2 Watchdog configuration time (WCT)............................................................................................................ 453

24.3.3 Refreshing the watchdog................................................................................................................................454

24.3.4 Windowed mode of operation........................................................................................................................454

24.3.5 Watchdog disabled mode of operation...........................................................................................................454

24.3.6 Debug modes of operation............................................................................................................................. 454

24.4 Testing the watchdog.................................................................................................................................................... 455

24.4.1 Quick test....................................................................................................................................................... 456

24.4.2 Byte test..........................................................................................................................................................456

24.5 Backup reset generator..................................................................................................................................................457

24.6 Generated resets and interrupts.....................................................................................................................................458


24.7.1 Watchdog Status and Control Register High (WDOG_STCTRLH)............................................................. 459

24.7.2 Watchdog Status and Control Register Low (WDOG_STCTRLL).............................................................. 461

24.7.3 Watchdog Time-out Value Register High (WDOG_TOVALH)...................................................................461

24.7.4 Watchdog Time-out Value Register Low (WDOG_TOVALL).................................................................... 462

24.7.5 Watchdog Window Register High (WDOG_WINH).................................................................................... 462

24.7.6 Watchdog Window Register Low (WDOG_WINL)..................................................................................... 463

24.7.7 Watchdog Refresh register (WDOG_REFRESH)......................................................................................... 463

24.7.8 Watchdog Unlock register (WDOG_UNLOCK)...........................................................................................463

24.7.9 Watchdog Timer Output Register High (WDOG_TMROUTH)................................................................... 464

24.7.10 Watchdog Timer Output Register Low (WDOG_TMROUTL).................................................................... 464

24.7.11 Watchdog Reset Count register (WDOG_RSTCNT).................................................................................... 465

24.7.12 Watchdog Prescaler register (WDOG_PRESC)............................................................................................ 465

24.8 Watchdog operation with 8-bit access.......................................................................................................................... 465

24.8.1 General guideline........................................................................................................................................... 465

24.8.2 Refresh and unlock operations with 8-bit access........................................................................................... 466

24.9 Restrictions on watchdog operation..............................................................................................................................467

Chapter 25




Multipurpose Clock Generator (MCG)

25.1 Introduction...................................................................................................................................................................469

25.1.1 Features.......................................................................................................................................................... 469

25.1.2 Modes of Operation....................................................................................................................................... 471

25.2 External Signal Description.......................................................................................................................................... 472

25.3 Memory Map/Register Definition.................................................................................................................................472

25.3.1 MCG Control 1 Register (MCG_C1).............................................................................................................473






25.3.6 MCG Status Register (MCG_S).................................................................................................................... 478

25.3.7 MCG Status and Control Register (MCG_SC)..............................................................................................479

25.3.8 MCG Auto Trim Compare Value High Register (MCG_ATCVH).............................................................. 480

25.3.9 MCG Auto Trim Compare Value Low Register (MCG_ATCVL)................................................................481



25.3.12 MCG Control 12 Register (MCG_C12).........................................................................................................483

25.3.12 MCG Status 2 Register (MCG_S2)............................................................................................................... 483

25.3.12 MCG Test 3 Register (MCG_T3).................................................................................................................. 483


25.4.1 MCG mode state diagram.............................................................................................................................. 484

25.4.2 Low-power bit usage......................................................................................................................................487

25.4.3 MCG Internal Reference Clocks....................................................................................................................487

25.4.4 External Reference Clock.............................................................................................................................. 487

25.4.5 MCG Fixed Frequency Clock ....................................................................................................................... 488

25.4.6 MCG Auto TRIM (ATM).............................................................................................................................. 488

25.5 Initialization / Application information........................................................................................................................ 490




25.5.1 MCG module initialization sequence.............................................................................................................490

25.5.2 Using a 32.768 kHz reference........................................................................................................................492

25.5.3 MCG mode switching.................................................................................................................................... 493

Chapter 26Oscillator (OSC)

26.1 Introduction...................................................................................................................................................................501

26.2 Features and Modes...................................................................................................................................................... 501

26.3 Block Diagram..............................................................................................................................................................502

26.4 OSC Signal Descriptions.............................................................................................................................................. 502

26.5 External Crystal / Resonator Connections.................................................................................................................... 503

26.6 External Clock Connections......................................................................................................................................... 504

26.7 Memory Map/Register Definitions...............................................................................................................................505

26.7.1 OSC Memory Map/Register Definition.........................................................................................................505


26.8.1 OSC module states......................................................................................................................................... 507

26.8.2 OSC module modes....................................................................................................................................... 509

26.8.3 Counter...........................................................................................................................................................511

26.8.4 Reference clock pin requirements..................................................................................................................511

26.9 Reset..............................................................................................................................................................................511

26.10 Low power modes operation.........................................................................................................................................512

26.11 Interrupts.......................................................................................................................................................................512

Chapter 27Flash Memory Controller (FMC)

27.1 Introduction...................................................................................................................................................................513

27.1.1 Overview........................................................................................................................................................513

27.1.2 Features.......................................................................................................................................................... 513







27.4.1 Flash Access Protection Register (FMC_PFAPR).........................................................................................518

27.4.2 Flash Bank 0 Control Register (FMC_PFB0CR).......................................................................................... 520

27.4.3 Reserved (FMC_Reserved)............................................................................................................................522

27.4.4 Cache Tag Storage (FMC_TAGVDW0Sn)................................................................................................... 523




27.4.8 Cache Data Storage (upper word) (FMC_DATAW0SnU)............................................................................526

27.4.9 Cache Data Storage (lower word) (FMC_DATAW0SnL)............................................................................ 527








27.5.1 Default configuration..................................................................................................................................... 530

27.5.2 Configuration options.................................................................................................................................... 531

27.5.3 Speculative reads............................................................................................................................................531

27.5.4 Flash Access Control (FAC) Function...........................................................................................................532

27.6 Initialization and application information.....................................................................................................................542

Chapter 28Flash Memory Module (FTFA)

28.1 Introduction...................................................................................................................................................................543

28.1.1 Features.......................................................................................................................................................... 544

28.1.2 Block Diagram............................................................................................................................................... 544

28.1.3 Glossary......................................................................................................................................................... 545

28.2 External Signal Description.......................................................................................................................................... 546

28.3 Memory Map and Registers..........................................................................................................................................546




28.3.1 Flash Configuration Field Description...........................................................................................................547

28.3.2 Program Flash IFR Map.................................................................................................................................547

28.3.3 Register Descriptions..................................................................................................................................... 548


28.4.1 Flash Protection..............................................................................................................................................562

28.4.2 Flash Access Protection................................................................................................................................. 562

28.4.3 Interrupts........................................................................................................................................................ 564

28.4.4 Flash Operation in Low-Power Modes.......................................................................................................... 565

28.4.5 Functional Modes of Operation..................................................................................................................... 565

28.4.6 Flash Reads and Ignored Writes.................................................................................................................... 565

28.4.7 Read While Write (RWW).............................................................................................................................566

28.4.8 Flash Program and Erase................................................................................................................................566

28.4.9 Flash Command Operations...........................................................................................................................566

28.4.10 Margin Read Commands............................................................................................................................... 571

28.4.11 Flash Command Description..........................................................................................................................572

28.4.12 Security.......................................................................................................................................................... 588

28.4.13 Reset Sequence.............................................................................................................................................. 590

Chapter 29Cyclic Redundancy Check (CRC)

29.1 Introduction...................................................................................................................................................................593

29.1.1 Features.......................................................................................................................................................... 593

29.1.2 Block diagram.........................................................................................................

K02F Sub-Family Reference Manual - NXP …cache.freescale.com/files/microcontrollers/doc/ref...Section number Title Page 9.4 System TAP connection 167 9.4.1 IR Codes ...

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