H83657 Datasheet, PDF (86/453 Pages) Renesas Technology Corp – single-chip microcomputers

3.3.6 Interrupt Response Time
Table 3-4 shows the number of wait states after an interrupt request flag is set until the first
instruction of the interrupt handler is executed.
Table 3-4 Interrupt Wait States
Item
Waiting time for completion of executing instruction*
Saving of PC and CCR to stack
Vector fetch
Instruction fetch
Internal processing
Total
Note: * Not including EEPMOV instruction.
States
1 to 13
4
2
4
4
15 to 27
75