参数资料
型号: IS89C51-40PQ
厂商: INTEGRATED SILICON SOLUTION INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP44
封装: PLASTIC, QFP-44
文件页数: 23/48页
文件大小: 371K
代理商: IS89C51-40PQ
IS89C51
Integrated Silicon Solution, Inc. — 1-800-379-4774
3
MC016-1C
11/21/98
ISSI
Figure 3. IS89C51 Pin Configuration: 44-pin PQFP
WR/P3.6
RD/P3.7
XTAL2
XTAL1
GND
NC
A8/P2.0
A9/P2.1
A10/P2.2
A11/P2.3
A12/P2.4
P1.4
P1.3
P1.2
P1.1
P1.0
NC
V
CC
P0.0/AD0
P0.1/AD1
P0.2/AD2
P0.3/AD3
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
EA
NC
ALE
PSEN
P2.7/A15
P2.6/A14
P2.5/A13
P1.5
P1.6
P1.7
RST
RxD/P3.0
NC
TxD/P3.1
INT0/P3.2
INT1/P3.3
T0/P3.4
T1/P3.5
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
27
26
25
24
23
38
12
13
14
15
16
17
18
37
36
35
34
44
43
42
41
40
39
19
20
21
22
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