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  1 Datapath and Control Datapath and Control CDA 3101 Discussion Section10 CDA 3101 Discussion Section10
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2 Questions Questions 5.3 Describe the effect that a single stuck-at-1 fault (the  signal is always 1) would have for the signals shown  below, in the single-cycle datapath in Figure 5.17 on  page  307.  Which  instructions,  if  any  will  not  work  correctly? Explain why. a. RegWrite  b. ALUOp0 c. ALUOp1 d. Branch e. MemRead f. MemWrite
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3 ALU Control ALU Control Figure 5.12 How the ALU control bits are set depends on the ALUOp control  bits and the different function codes for the R-type instruction. Figure 5.18 The setting of the control lines is completely determined by the  opcode fields of the instruction.
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5 Question 5.3 Question 5.3 RegWrite=1 sw and beq should not write results to the register file. sw(beq) will overwrite a random register  with either the store address (branch target) or random data from the memory data read port. ALUOp1=1
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This note was uploaded on 02/28/2012 for the course CSCE 3510 taught by Professor Unt during the Spring '12 term at North Texas.

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discussion10_PostVersion - CDA3101DiscussionSection10...

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