CHAPTER 4 INTERRUPT PROCESSING

 

Figure 4.3-2 Interrupt Response Time

CPU operation

Normal

Interrupt

Interrupt processing program

 

instruction execution

handling

 

Interrupt wait time

Sample wait (a)

9 instruction

Indicates the last instruction cycle

 

Interrupt request issued

cycles (b)

in which an interrupt is sampled.

 

 

 

Note: It will take (a) + (b) instruction cycles to transfer control to the interrupt processing routine after an interrupt occurs.

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Fujitsu F2MC-8FX manual Interrupt Response Time