P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.0
P3.1
15
14
12
11
9
6
5
3
19
21
22
23
25
27
28
29
54
55
56
58
59
61
64
65
34
39
6
5
3
2
64
61
60
59
10
12
13
14
16
18
19
20
43
44
45
47
48
50
53
54
25
28
针
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
RESET
ALE / PROG
PLCC68
40
41
42
43
45
47
30
68
SQUARE VQFP64 1.4
29
30
31
32
34
36
21
56
10
AT/TS8xC51Rx2
4188F–8051–01/08
