User's Manual

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