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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