Datapath Design with Control Unit BLOCK DIAGRAMS

1. EC 8552 UNIT III DATA PATH WITH CONTROL UNIT
Mr. C.KARTHIKEYAN ,
ASSISTANT PROFESSOR,
ECE, RMKCET

2. DATA PATH WITH CONTROL UNIT
The Memory-Reference Instructions
The Arithmetic-Logical Instructions
The Instructions Branch and Jump
lw, sw
add, sub, AND, OR, slt
beq, j

3. The Simple Data Path with Control Unit

4. Simple Data Path for R-Type Instruction
Eg: add $t1, $t2, $t3
000000 01010 01011 01001 00000 100000

5. The Simple Data Path for R-Type Instruction

6. Simple Data Path for Load/Store Instruction
Eg: lw $t1, offset ($t2)
100011 01010 01001 16 bit offset

7. The Simple Data Path for Load Instruction

8. Simple Data Path for Branch Instruction
Eg: beq $t1, $t2, address
000100 01001 01010 16 bit address

9. The Simple Data Path for BEQ Instruction