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INTERNAL SPECIFICATIONS
143
Figure 4-51 Interrupt response time chart when ordinary instruction is executed after
returning to main routine during continuous interrupt processing
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~M4
M1 or M2
M1 M2
1
0
RETI execution
Timer 1 interrput address call
Execution of one ordinary
main routine instruction