hsabaghianb @ kashanu.ac.ir Microprocessors 1-53
Instruction cycles, machine cycles and “T-states”
Instruction cycle is the time taken to complete the execution of an instruction
Machine cycle is defined as the time required to complete one operation of accessing memory, accessing IO, etc.
T-state = 1/f (f:Z80 Clock Frequency)
f= 4MHZ T-state=0.25 uS