Datasheet

Section 3 Exception Handling
Rev. 1.50 Sep. 18, 2007 Page 62 of 584
REJ09B0240-0150
3.4.4 Interrupt Response Time
Table 3.3 shows the number of wait states after an interrupt request flag is set until the first
instruction of the interrupt handling-routine is executed.
Table 3.3 Interrupt Wait States
Item States Total
Interrupt priority determination 2*
1
19 to 41
Waiting time for completion of executing instruction*
2
1 to 23
Saving of PC and CCR to stack 4
Vector fetch 4
Instruction fetch 4
Internal processing 4
Notes: 1. For internal interrupts, the number of states is 1.
2. Not including EEPMOV instruction.