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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