User's Manual

MSM80C154S/83C154S/85C154HVS
186
Figure 4-84 Restart from soft power down mode by INT0 or 1 (external ROM mode)
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 1 0
1 0
EXECUTE CYCLEWASTE CYCLE
1 0
PORT DATA PORT DATA
SOFT POWER DOWN MODE
M1
PCON-bit 1 *INT0 or INT1
IE0 or IE1 OUT
FLOATING FLOATING FLOATING FLOATING
EXECUTE CYCLE
LEVEL SENSE
EDGE SENSE
PCLPCLPCL
PCH PCH PCHPCH
PCLPCL
PCHPORT DATA