Renesas RL78/G1H

RL78/G1H CHAPTER 19 INTERRUPT FUNCTIONS
R01UH0575EJ0120 Rev. 1.20 Page 723 of 920
Dec 22, 2016
Figure 19 - 11 Interrupt Request Acknowledgment Timing (Minimum
Time)
Remark 1 clock: 1/fCLK (fCLK: CPU clock)
Figure 19 - 12 Interrupt Request Acknowledgment Timing (Maximum Time)
Remark 1 clock: 1/fCLK (fCLK: CPU clock)
9 clocks
InstructionCPU processing
xxIF
6 clocks
PSW and PC saved,
jump to interrupt servicing
Interrupt servicing
program
Instruction
Instruction
16 clocks
Instruction
Instruction immediately
CPU processing before
interrupt
CPU processing
xxIF
6 clocks8 clocks
PSW and PC saved,
jump to interrupt servicing
Interrupt servicing
program
Instruction