RL78/G1P
CHAPTER 15 INTERRUPT FUNCTIONS
R01UH0895EJ0100 Rev.1.00
586
Nov 29, 2019
Figure 15-8. Interrupt Request Acknowledgment Timing (Minimum Time)
9 clocks
Instruction
CPU processing
xxIF
6 clocks
PSW and PC saved,
jump to interrupt servicing
Interrupt servicing
program
Instruction
Instruction
Remark
1 clock: 1/f
CLK
(f
CLK
: CPU clock)
Figure 15-9. Interrupt Request Acknowledgment Timing (Maximum Time)
16 clocks
Instruction
Instruction immediately
CPU processing before
interrupt
CPU processing
xxIF
6 clocks
8 clocks
PSW and PC saved,
jump to interrupt servicing
Interrupt servicing
program
Instruction
Remark
1 clock: 1/f
CLK
(f
CLK
: CPU clock)