Sonic Alert msm83c154s Clock Radio User Manual


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MSM80C154S/83C154S/85C154HVS
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Figure 4-76 Restart from idle mode by interrupt INT0 or 1 (internal ROM mode)
S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6
M1
S1 S2 S3 S4 S5 S6
M1
S1 S2 S3 S4 S5 S6
M2
XTAL1
1
0
ALE
S6
1
0
PSEN
1
0
PORT 0
1
0
PORT 1
1
0
PORT 2
1
0
PORT 3
1
0
PCON-bit 0
1
0
*INT0 or INT1
1
0
INTERRUPT EXECUTE CYCLEWASTE CYCLE
IE0 or IE1
OUT
1
0
IDLE MODE
PORT DATA
PORT DATA
M1
PORT DATA
PORT DATA
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