Oki MSM85C154HVS - Page 150

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