FUJITSU F2MCTM-16LX - Manual (Page 86)

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CHAPTER 3 INTERRUPTS
The time required for the CPU to execute the interrupt processing in steps 6. and 7. is shown below.
See Table 3.5-1 for the cycle count compensation value.
Interrupt start: 24 + 6
×
(Table 3.3-2 machine cycles)
Interrupt return: 15 + 6
× (Table 3.3-2 machine cycles) RETI instruction
Table 3.5-1 Compensation Values for Interrupt Processing Cycle Count
Address indicated by stack pointer Cycle count compensation value
Internal area, even-number address 0
Internal area, add-number address +2