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SI Sh L CLK D3 00 01 11 03 DQ D₂ 00 DQ D₁ º DQ (b) Implementation using flip-flops and MUXes Do 00 11 o DQ

SI Sh L CLK D3 00 01 11 03 DQ D₂ 00 DQ D₁ º DQ (b) Implementation using flip-flops and MUXes Do 00 11 o DQ

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Redesign the right-shift register circuit of figure 12-10 using 4 D flip-flops with clock enable, four 2-to-1 MUXes, and a single OR gate

SI Sh L CLK D3 00 01 10 11 23 DQ D2 00 01 10 11 Q₂ DQ D₁ 00 01 10 11 2₁ DQ (b) Implementation using flip-flops and MUXes Do 00 01 10 11 20 DQ
Transcribed Image Text:SI Sh L CLK D3 00 01 10 11 23 DQ D2 00 01 10 11 Q₂ DQ D₁ 00 01 10 11 2₁ DQ (b) Implementation using flip-flops and MUXes Do 00 01 10 11 20 DQ
FIGURE 12-10 Parallel-In, Parallel-Out Right-Shift Register Cengage Learning 2014 SI (Serial In) Sh (Shift Enable) L (Load Enable). CLK Parallel Output Q3 Q2 Q1 Qo 4-bit Parallel-In, Parallel-Out Shift Register D3 D2 D1 Do Parallel Input (a) Block diagram -SO (Serial Out)
Transcribed Image Text:FIGURE 12-10 Parallel-In, Parallel-Out Right-Shift Register Cengage Learning 2014 SI (Serial In) Sh (Shift Enable) L (Load Enable). CLK Parallel Output Q3 Q2 Q1 Qo 4-bit Parallel-In, Parallel-Out Shift Register D3 D2 D1 Do Parallel Input (a) Block diagram -SO (Serial Out)
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Step 1: Redesign the right-shift register circuit using 4 D flip-flops with clock enable, four 2-to-1 MUXes

These figure shows three working stages:


1.  At 00 :    no change or memory stage

2.  At 01:     Parallel loading of data

3. At 10  & 11 :  Serial IN parallel out,  right shift register


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