User's Manual

INTERNAL SPECIFICATIONS

145

Figure 4-52 Interrupt response time chart when IE or IP manipulating 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

1 -

0 -

M2 M1 or M2 M1

RETI execution

Timer 1 interrput address call

Execution of IE or IP

manipulation instruction

Execution of one instruction

M1~M4

M1 or M2