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CHAPTER 4 INTERRUPT PROCESSING
Figure 4.1-1 shows the flow diagram of F
2
MC-8FX interrupt operation.
Figure 4.1-1 Outline of F
2
MC-8FX Interrupt Operation
F
2
MC-8FX CPU
I
IL
AND
Internal bus
Check
Comparator
Level comparator
Interrupt
controller
Peripheral
Peripheral
Interrupt request
enable bit
Interrupt request
flag
1
5
4
2
3
6
7