参数资料
型号: P87C251SP16
厂商: INTEL CORP
元件分类: 微控制器/微处理器
英文描述: HIGH-PERFORMANCE CHMOS MICROCONTROLLER
中文描述: 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PDIP40
封装: PLASTIC, DIP-40
文件页数: 8/35页
文件大小: 186K
代理商: P87C251SP16
8
PRELIMINARY
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
Table 4. 8XC251SA/SB/SP/SQ Pin Assignment
Name
PLCC
DIP
PLCC
DIP
Name
1
V
SS
1
P1.0/T2
23
V
SS
2
A8/P2.0
2
1
24
21
3
2
P1.1/T2EX
25
22
A9/P2.1
4
3
P1.2/ECI
26
23
A10/P2.2
5
4
P1.3/CEX0
27
24
A11/P2.3
6
5
P1.4/CEX1
28
25
A12/P2.4
7
6
P1.5/CEX2
29
26
A13/P2.5
8
7
P1.6/CEX3/WAIT#
30
27
A14/P2.6
9
8
P1.7/CEX4/A17/WCLK
31
28
A15/P2.7
10
9
RST
32
29
PSEN#
11
10
P3.0/RXD
33
30
ALE/PROG#
12
V
CC
2
P3.1/TXD
34
V
SS
2
EA#/V
PP
AD7/P0.7
13
11
35
31
14
12
P3.2/INT0#
36
32
15
13
P3.3/INT1#
37
33
AD6/P0.6
16
14
P3.4/T0
38
34
AD5/P0.5
17
15
P3.5/T1
39
35
AD4/P0.4
18
16
P3.6/WR#
40
36
AD3/P0.3
19
17
P3.7/RD#/A16
41
37
AD2/P0.2
20
18
XTAL2
42
38
AD1/P0.1
21
19
XTAL1
43
39
AD0/P0.0
22
20
V
SS
44
40
V
CC
相关PDF资料
PDF描述
P87C251SQ16 HIGH-PERFORMANCE CHMOS MICROCONTROLLER
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