ZiLOG Z8

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INTERNAL
CLOCK
INSTRUCTION
N
INSTRUCTION
N+1
INSTRUCTION
N+2
M1 M2 M1 M2 M1 --;;--- ~
OPERAND
INSTRUCTION INSTRUCTION
FETCH(ES)
ALU STORE
FETCH 1 FETCH 2
-
EXECUTION CYCLE
II
OPERAND
INSTRUCTION INSTRUCTION
FETCH(ES)
ALU STORE
FETCH
1
FETCH 2
•
EXECUTION CYCLE
II
INSTRUCTION
INSTRUCTION
FETCH 1
FETCH 2
EFFECTIVE _I - HIDDEN DELAY -I
EXECUTION TIME UNTIL COMPLETION
I_ INSTRUCTION COMPLETION TIME -I
Figure 6-10. Instruction Pipelining
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