4 rev. b - jan. 25, 1999
初步的
TS80C52X2
5. 管脚 配置
p1.7
p1.4
RST
p3.0/rxd
p3.1/txd
p1.3
1
p1.5
p1.6
p3.2/int0
p3.3/int1
p3.4/t0
p3.5/t1
p3.6/wr
p3.7/rd
XTAL2
XTAL1
VSS
p2.0
p2.1
p2.2
p2.3
p2.4
p0.4
p0.6
p0.5
p0.7
ale/prog
PSEN
ea/vpp
p2.7
p2.5
p2.6
p1.0
p1.2
p1.1
VCC
p0.0
p0.1
p0.2
p0.3
pdil/
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
5 4 3 2
1
6
44 43 42 41 40
p1.4
p1.0/t2
p1.1/t2ex
p1.3
p1.2
vss1/nic*
VCC
p0.0/ad0
p0.2/ad2
p0.1/ad1
p0.4/ad4
p0.6/ad6
p0.5/ad5
p0.7/ad7
ale/prog
PSEN
ea/vpp
NIC*
p2.7/a15
p2.5/a13
p2.6/a14
p3.6/wr
p3.7/rd
XTAL2
XTAL1
VSS
p2.0/a8
p2.1/a9
p2.2/a10
p2.3/a11
p2.4/a12
43
42 41 40
3944
38 37 36 35 34
p1.4
p1.0/t2
p1.1/t2ex
p1.3
p1.2
vss1/nic*
VCC
p0.0/ad0
p0.2/ad2
p0.3/ad3
p0.1/ad1
p0.4/ad4
p0.6/ad6
p0.5/ad5
p0.7/ad7
ale/prog
PSEN
ea/vpp
NIC*
p2.7/a15
p2.5/a13
p2.6/a14
p1.5
p1.6
p1.7
RST
p3.0/rxd
NIC*
p3.1/txd
p3.2/int0
p3.3/int1
p3.4/t0
p3.5/t1
p3.6/wr
p3.7/rd
XTAL2
XTAL1
VSS
p2.0/a8
p2.1/a9
p2.2/a10
p2.3/a11
p2.4/a12
p1.5
p1.6
p1.7
RST
p3.0/rxd
NIC*
p3.1/txd
p3.2/int0
p3.3/int1
p3.4/t0
p3.5/t1
p0.3/ad3
NIC*
NIC*
*nic: 非 内部的 连接
7
8
9
10
11
12
13
14
15
16
17
39
38
37
36
35
34
33
32
31
30
29
plcc/cqpj 44
33
32
31
30
29
28
27
26
25
24
23
PQFP44
1
2
3
4
5
6
7
8
9
10
11
CDIL40
18 19 20 21 22 23 24 25 26 27 28
12 13 14 15 16 17 18 19 20 21 22
VQFP44