NEC PD78052 - Interrupt Request Acknowledge Timing (Maximum Time)

502
CHAPTER 21 INTERRUPT AND TEST FUNCTIONS
Figure 21-14. Interrupt Request Acknowledge Timing (Minimum Time)
Remark 1 clock : (fCPU: CPU clock)
Figure 21-15. Interrupt Request Acknowledge Timing (Maximum Time)
fCPU
1
Instruction Divide Instruction
PSW and PC Save,
Jump to Interrupt
Servicing
6 Clocks
Interrupt
Servicing
Program
33 Clocks
32 Clocks
CPU Processing
× × IF
(× × PR=1)
× × IF
(× × PR=0)
25 Clocks
fCPU
1
Remark 1 clock : (fCPU: CPU clock)
Instruction Instruction
PSW and PC Save,
Jump to Interrupt
Servicing
6 Clocks
Interrupt
Servicing
Program
8 Clocks
7 Clocks
CPU Processing
× × IF
(× × PR=1)
× × IF
(× × PR=0)