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TMOD=51H
MCS-515
/12
T0T1
MCS-51
1
2
A
3
4
B
5
6
C
9
8
D
11
10
E
13
12
F
1
2
A
3
4
B
5.1k
5.1k
1
2
3
A
74F00
4
5
6
B
74F00
S
+5V
GND
+5V
T0
PI.0
PI.1
PI.2
PI.3
PI.4
PI.5
PI.6
PI.7