Interrupt Request Acknowledge Timing (Maximum Time) - NEC PD78081(A) User Manual

Figure 12-12. Interrupt Request Acknowledge Timing (Minimum Time)
CPU Processing
IF
( PR=1)
IF
( PR=0)
Remark 1 clock :
Figure 12-13. Interrupt Request Acknowledge Timing (Maximum Time)
CPU Processing
IF
( PR=1)
IF
( PR=0)
Remark 1 clock :
186
CHAPTER 12 INTERRUPT FUNCTION
Instruction
1
(f : CPU clock)
CPU
f
CPU
Instruction
1
(f : CPU clock)
CPU
f
CPU
Instruction
8 Clocks
25 Clocks
Divide Instruction
33 Clocks
32 Clocks
6 Clocks
PSW and PC Save, Interrupt
Jump to Interrupt Servicing
Servicing Program
7 Clocks
6 Clocks
PSW and PC Save, Interrupt
Jump to Interrupt Servicing
Servicing Program