IBM uPD78082 Manuel D’Utilisation
186
CHAPTER 12 INTERRUPT FUNCTION
Figure 12-12. Interrupt Request Acknowledge Timing (Minimum Time)
Remark
1 clock : (f
CPU
: CPU clock)
Figure 12-13. Interrupt Request Acknowledge Timing (Maximum Time)
Remark
1 clock : (f
CPU
: CPU clock)
f
CPU
1
f
CPU
1
Instruction
Instruction
PSW and PC Save,
Jump to Interrupt
Servicing
Jump to Interrupt
Servicing
6 Clocks
Interrupt
Servicing
Program
Servicing
Program
8 Clocks
7 Clocks
CPU Processing
× ×
IF
(
× ×
PR=1)
× ×
IF
(
× ×
PR=0)
Instruction
Divide Instruction
PSW and PC Save,
Jump to Interrupt
Servicing
Jump to Interrupt
Servicing
6 Clocks
Interrupt
Servicing
Program
Servicing
Program
33 Clocks
32 Clocks
CPU Processing
× ×
IF
(
× ×
PR=1)
× ×
IF
(
× ×
PR=0)
25 Clocks