SnoMakr Breakout Board Pin Map Learn more: aloriumtech.com/snomakr Version 1.0 Port B Port C Port D JTAG BUS MAX 10 pin number Alternate functions MAX 10 ADC pin number GPIO ports Power supply Analog inputs Other lines* 3.3V GPIO, 5V tolerant 5V GPIO ports ADCIN ADCIN ADCIN ADCIN ADCIN ADCIN D1 C2 E3 E4 C1 B1 C-5 C-3 C-2 C-4 C-1 C-0 Port C [0:5] GPIO GPIO GPIO GPIO GPIO GPIO A0 A1 A2 A3 A4 A5 RST 3.3V 5V GND GND Vin IOREF A10 A8 A7 B6 B3 A4 IOREF RESET 3.3V 5V GND GND VIN D9 GPIO GPIO GND B-5 B-4 B-3 B-2 B-1 B-0 D-7 D-6 D-5 D-4 D-3 D-2 D-1 D-0 TX RX SCL SDA M7 N6 N5 N4 M5 M4 N7 N8 N9 N10 M9 M8 M11 L11 M13 M12 SCK MOSI SS MISO Port D [0:7] Port B [0:5] 10 9 8 7 GPIO GPIO 6 5 GPIO 4 3 GPIO GND 1 2 GPIO GND JT1 JT3 JT5 JT7 JT6 JTAGEN 3.3V E5 JT9 GPIO TCK TD0 TMS TDI G2 F6 G1 F5 L4 L5 9 7 5 3 1 6 8 3.3 1 ISP 6 *JT1 - JT9 used for MFG build and testing RX TX D2 ~D3 D4 ~D5 ~D6 D7 D8 ~D9 ~D10 ~D11 ~D12 D13 GND SDA SCL E-0 E-2 E-5 E-1 E-3 E-4 M12 K6 N8 M10 J5 M4 Port E [0:5] G-0 G-2 G-5 G-1 G-3 G-4 M13 J6 N7 L11 N6 M5 Port G [0:5] A-0 A-2 A-5 A-1 A-3 A-4 M11 M7 N4 L10 K5 N5 Port A [0:5] 1 2 4 GND 6 5 RST_N GPIO GPIO D12 D13 D11 GPIO L11 M11 N10 Port A Port E Port F E10 X0 X1 A3 X0 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 X1 3 See Fig 1 See Fig 2 Figure 1 Figure 2