Sonic Alert msm85c154hvs User Manual
INTERNAL SPECIFICATIONS
141
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 -
M1 or M2
M1~M4
M1 or M2
M1
M2
1 -
0
Execution of IE or IP
manipulation instruction
Execution of one instruction
Timer 1 interrput address call
Figure 4-50
Interrupt response time chart when interrupt conditions are satisfied during
execution of IE or IP register manipulating instruction in main routine
execution of IE or IP register manipulating instruction in main routine