3

4173ES–USB–09/07
AT89C5132

4. Pin Description

Figure 4-1. AT89C5132 80-pin TQFP Package

P0.3/AD3
P0.4/AD4
P0.5/AD5
VSS
VDD
P0.6/AD6
P0.7/AD7
P2.0/A8
P2.1/A9
P3.1/TXD
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.0/RXD
1
2
3
4
5
6
7
8
13
11
10
P2.2/A1
0
P2.3/A1
1
P2.4/A1
2
P2.6/A1
4
P2.5/A1
3
P2.7/A1
5
MCLK
MDAT
MCMD
P0.2/AD2
P0.1/AD1
P0.0/AD0
PVSS
VSS
X2
X1
TST
VSS
9
12
14
15
16
P4.3/SS
P4.2/SCK
P4.1/MOSI
P4.0/MISO
VSS
VDD
RST
SCLK
DSEL
DCLK
DOUT
AIN1
AIN0
AREFN
AREFP
AVSS
AVDD
P3.7/RD
P3.6/WR
P3.5/T1
VDD
P1.0/KIN0
P1.1/KIN1
P1.2/KIN2
P1.3/KIN3
P1.4
P1.5
P1.7/SDA
FILT
PVDD
VDD
P1.6/SCL
17
18
19
20
21
22
23
24
25
26
27
28
33
31
30
29
32
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
53
51
50
49
52
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
73
71
70
69
72
74
75
76
77
78
79
80
ALE
ISP
UVDD
UVSS
P5.0
P5.1
P4.7
P4.6
D-
D+
P5.3
P5.2
VSS
VDD
P4.5
P4.4

TQFP80