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Data Path Diagrams.

Published byΝικόλαος Λιακόπουλος Modified over 5 years ago

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Presentation on theme: "Data Path Diagrams."— Presentation transcript:

1 Data Path Diagrams

2 Functional Units

3 Overall Picture

4 Instruction Fetch

5 R Format Instructions

6 Memory Instructions and BEQ

7 MIPS ALU

8 ALU Control Instruction Opcode ALUOP Operations Funct Field Desired
ALU Action ALU Control input LW 00 load word XXXXX add 0010 SW store word BRANCH equal 01 branch equal subtract 0110 R-TYPE 10 100000 100010 AND 100100 and 0000 OR 100101 or 0001 set on less than 101010 0111

9 Truth Table for ALUOp ALUOp Funct field operation ALUOp1 ALUOp2 F5 F4
X 0010 1 0110 0000 0001 0111

10 Datapath With ALU Control

11 Datapath with Control

12 Datapath for R-type Instruction

13 Datapath With Jump Instruction

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