INTERNAL SPECIFICATIONS
145
Figure 4-52 Interrupt response time chart when IE or IP manipulating instruction isexecuted after returning to main routine during continuous interruptprocessing
S4 S5 S6 S1 S2 S3
XTAL1
ALE
Timer flag 1
S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6
Instruction
execution
S6
1 -
0
1
0 -
M2 M1 or M2 M1
1
0
RETI execution Timer 1 interrput address call
Execution of IE or IP
manipulation instruction Execution of one instruction
M1~M4
M1 or M2