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AT89S51-24AU PDF Datasheet浏览和下载

型号.:
AT89S51-24AU
PDF下载:
下载PDF文件 在线浏览文档
内容描述:
8位微控制器与4K字节的系统内可编程闪存 [8-bit Microcontroller with 4K Bytes In-System Programmable Flash]
文件大小:
417 K
文件页数:
32 Pages
品牌Logo:
品牌名称:
ATMEL [ ATMEL CORPORATION ]



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2.引脚配置
2.1
40引脚PDIP
P1.0
P1.1
P1.2
P1.3
P1.4
( MOSI ), P1.5
( MISO ), P1.6
( SCK ) P1.7
RST
(RXD) P3.0
(TXD) P3.1
( INT0 ) P3.2
( INT1 ) P3.3
( T0 ) P3.4
(T1), P3.5
( WR ), P3.6
( RD ), P3.7
XTAL2
XTAL1
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
VCC
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 / VPP
ALE / PROG
PSEN
P2.7 ( A15 )
P2.6 ( A14 )
P2.5 ( A13 )
P2.4 ( A12 )
P2.3 (A11)
P2.2 (A10)
P2.1 (A9)
P2.0 (A8)
2.3
44引脚PLCC
P1.4
P1.3
P1.2
P1.1
P1.0
NC
VCC
P0.0 ( AD0 )
P0.1 ( AD1 )
P0.2 ( AD2 )
P0.3 ( AD3 )
2.2
44引脚TQFP
P1.4
P1.3
P1.2
P1.1
P1.0
NC
VCC
P0.0 ( AD0 )
P0.1 ( AD1 )
P0.2 ( AD2 )
P0.3 ( AD3 )
2.4
42引脚PDIP
RST
(RXD) P3.0
(TXD) P3.1
( INT0 ) P3.2
( INT1 ) P3.3
( T0 ) P3.4
(T1), P3.5
( WR ), P3.6
( RD ), P3.7
XTAL2
XTAL1
GND
PWRGND
(A8) P2.0
(A9) P2.1
(A10) P2.2
(A11) P2.3
( A12 ) P2.4
( A13 ) P2.5
( A14 ) P2.6
( A15 ) P2.7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
P1.7 ( SCK )
P1.6 ( MISO )
P1.5 ( MOSI )
P1.4
P1.3
P1.2
P1.1
P1.0
VDD
PWRVDD
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 / VPP
ALE / PROG
PSEN
44
43
42
41
40
39
38
37
36
35
34
( MOSI ), P1.5
( MISO ), P1.6
( SCK ) 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
12
13
14
15
16
17
18
19
20
21
22
33
32
31
30
29
28
27
26
25
24
23
P0.4 ( AD4 )
P0.5 ( AD5 )
P0.6 ( AD6 )
P0.7 ( AD7 )
EA / VPP
NC
ALE / PROG
PSEN
P2.7 ( A15 )
P2.6 ( A14 )
P2.5 ( A13 )
2
AT89S51
2487C–MICRO–03/05
( WR ), P3.6
( RD ), P3.7
XTAL2
XTAL1
GND
GND
(A8) P2.0
(A9) P2.1
(A10) P2.2
(A11) P2.3
( A12 ) P2.4
( 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
18
19
20
21
22
23
24
25
26
27
28
( MOSI ), P1.5
( MISO ), P1.6
( SCK ) P1.7
RST
(RXD) P3.0
NC
(TXD) P3.1
( INT0 ) P3.2
( INT1 ) P3.3
( T0 ) P3.4
(T1), P3.5
7
8
9
10
11
12
13
14
15
16
17
6
5
4
3
2
1
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
P0.4 ( AD4 )
P0.5 ( AD5 )
P0.6 ( AD6 )
P0.7 ( AD7 )
EA / VPP
NC
ALE / PROG
PSEN
P2.7 ( A15 )
P2.6 ( A14 )
P2.5 ( A13 )