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MSM80C154S/83C154S/85C154HVS
172
Figure 4-71 Restart from soft power mode by reset (internal ROM mode)
S1 S2 S3 S4 S5 S6
M1 → M2
S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6
M1
S1 S2 S3 S4 S5 S6
M1
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
PCON-bit 1
1
0
*RESET
1
0
EXECUTE CYCLERESET CYCLE
M1 → M2
CPU RESET
CONTROL
1
0
PORT DATA=1
PORT DATA=1
PORT DATA=1
FLOATING
PORT DATA
PORT DATA
PORT DATA
PORT DATA
SOFT POWER DOWN MODE