Thai.ppt

Chapter 10Shift Registers

Figure 10--1 The flip-flop as a storage element.Basic Shift Register FunctionsStorage and Movement

Figure 10--2 Basic data movement in shift registers. (Four bits are used for illustration. The bits move in the direction of the arrows.)

Figure 10--3 Serial in/serial out shift register.Serial In/Serial Out Shift Registers

Figure 10--4 Four bits (1010) being entered serially into the register.

Figure 10--5 Four bits (1010) being serially shifted out of the register and replaced by all zeros.

Figure 10--6 : Example 10-1

Figure 10--7 Logic symbol for an 8-bit serial in/serial out shift register.

Figure 10--8 A serial in/parallel out shift register.Serial In/Parallel Out Shift Registers

Figure 109 : Example 10-2

Figure 10--12 A 4-bit parallel in/serial out shift register. Parallel In/Serial Out Shift Registers

Figure 10--13 : Example 10-3

Figure 10--16 A parallel in/parallel out register.Parallel In/Parallel Out Shift Registers

Figure 10--19 Four-bit bidirectional shift register.Bidirectional Shift Registers

Figure 10--20 : Example 10-4

Shift Register CountersJohnson Counter

Figure 10--23 Four-bit and 5-bit Johnson counters.

Figure 10--24

Figure 10--25

Figure 10--26 A 10-bit ring counter.Ring Counter

Figure 10--27 : Example 10-5

Figure 10--28 The shift register as a time-delay device.Shift Register Applications

Figure 10--29 : Example 10-6

Figure 10--30 Timing diagram showing time delays for the register in Figure 10-29.

Figure 10--33 Simplified logic diagram of a serial-to-parallel converter.

Figure 10--34 Serial data format.

Figure 10--35

Figure 10--36 : UART interface

Figure 10--37 : Basic UART Block Diagram

Figure 10--38 Simplified keyboard encoding circuit.