User's Manual

MSM80C154S/83C154S/85C154HVS
46
Figure 3-5 Reset execution time chart (internal ROM mode)
S1 S2 S3 S4 S5 S6
M1 or M2
S1 S2 S3 S4 S5 S6
M1
S1 S2 S3 S4 S5 S6
M2
S1 S2 S3 S4 S5 S6
M1
PORT DATA
XTAL1
1 0
ALE
1 0
PSEN
1 0
PORT 0
1 0
PORT 1
1 0
PORT 2
1 0
PORT 3
1 0
RESET
1 0
PORT DATA PORT DATA PORT DATA
CPU RESET CONTROL
1 0
RESET EXCECUTE
1 0
FLOATING
PORT DATA = 1 PORT DATA = 1 PORT DATA = 1
CPU RESET EXCECUTE CYCLE
S6