4
AT89C51CC03
4182i–can–06/05
21 22 26252423 292827 30 31
5 4 3 2 16
52 51 50 49 48
8
9
10
11
12
13
14
15
16
17
18
46
45
44
43
42
41
40
39
38
37
36
PLCC52
7 47
19
20
32 33
34
35
p1.3/an3/cex0
p1.2/an2/eci
p1.1/an1/t2ex
p1.0/一个 0/t2
VAREF
VAGND
重置
VSS
VCC
XTAL1
XTAL2
TESTI
p1.4/an4/cex1
p1.5/an5/cex2
p1.6/an6/cex3
p1.7/an7/cex4
EA
p3.0/rxd
p3.1/txd
p3.2/int0
p3.3/int1
p3.4/t0
p3.5/t1/ss
p4.3/sck
ALE
PSEN
p0.7/ad7
p0.6/ad6
p0.5/ad5
p0.2 /ad2
p0.3 /ad3
p0.4 /ad4
p0.1 /ad1
p0.0 /ad0
p2.0/a8
p4.4/mosi
p3.7/rd
p4.0/txdc
p4.1/rxdc
p2.7/a15
p2.6/a14
p2.5/a13
p2.4/a12
p2.3/a11
p2.2/a10
p2.1/a9
p3.6/wr
p4.2/miso
NC
NC
NC
testi 必须 是 连接 至 vss
VCC
54
53
52
51
50
49
VQFP64
p1.3/an3/cex0
p1.2/an2/eci
p1.1/an1/t2e
X
p1.0/an0/t2
VAREF
VAGND
重置
VSS
VSS
VSS
p3.7/rd
p4.0/txdc
p4.1/rxdc
p2.7/a15
p2.6/a14
NC
NC
NC
NC
p3.6/wr
48
47
46
45
44
43
42
41
39
40
1
2
3
4
5
6
7
8
10
9
17
18
19
20
21
22
23
24
25
26
64
63
62
61
60
59
58
57
56
55
NC
ALE
PSEN
p0.7/ad7
p0.6/ad6
NC
p0.5/ad5
NC
NC
p0.4/ad4
p1.4/an4/cex1
NC
p1.5/an5/cex2
p1.6/an6/cex3
p1.7/an7/cex4
NC
EA
NC
NC
p3.0/rxd
11
12
13
16
15
14
p4.3/sck
p3.1/txd
p3.2/int0
p3.3/int1
p3.4/t0
p3.5/t1/ss
38
37
36
33
34
35
p0.1/ad1
p0.2/ad2
p0.3/ad3
p4.4/mosi
p0.0/ad0
p2.0/a8
p2.5/a13
p2.4/a12
p2.3/a11
p2.2/a10
p2.1/a9
p4.2/miso
27
28
29
30
31
32
TESTI
VCC
VCC
XTAL1
XTAL2
VCC
testi 必须 是 连接 至 vss
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