4
at89c5131a-l
4338d–usb–09/05
引脚 描述
引脚
图示 1.
at89c5131a-l 52-管脚 plcc 引脚
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
p1.1/t2ex/kin1/ss
p1.0/t2/kin0
p0.6/ad6
ALE
p0.7/ad7
EA
PSEN
p1.7/cex4/kin7/mosI
p1.3/cex0/kin3
p1.5/cex2/kin5/miso
p1.6/cex3/kin6/sck
PLLF
p3.0/rxd
AVSS
p2.6/a14
XTAL1
p2.5/a13
p0.3/ad3
p0.5/ad5
p0.4/ad4
VREF
p0.2/ad2
p0.0/ad0
p0.1/ad1
AVDD
NC
p3.2/int0
p3.6/wr/led2
XTAL2
RST
p3.1/txd
p3.3/int1
/led0
p3.7/rd/led3
d-
p2.0/a8
p2.1/a9
p2.2/a10
p2.3/a11
VSS
p2.4/a12
p4.1/sda
D+
p4.0/scl
p1.2/eci/kin2
p1.4/cex1/kin4
p3.4/t0
p3.5/t1/led1
NC
NC
VDD
NC
p2.7/a15