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89C51 Datasheet(PDF) 4 Page - NXP Semiconductors

Part No. 89C51
Description  80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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89C51 Datasheet(HTML) 4 Page - NXP Semiconductors

 
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Philips Semiconductors
Product specification
89C51/89C52/89C54/89C58
80C51 8-bit microcontroller family
4K/8K/16K/32K Flash
1999 Oct 27
4
LOGIC SYMBOL
ADDRESS AND
DATA BUS
ADDRESS BUS
T2
T2EX
RxD
TxD
INT0
INT1
T0
T1
WR
RD
RST
EA/VPP
PSEN
ALE/PROG
VSS
VCC
XTAL1
XTAL2
SU00830
PIN CONFIGURATIONS
Dual In-Line Package Pin Functions
SU01063
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
T2/P1.0
T2EX/P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
RST
RxD/P3.0
TxD/P3.1
INT0/P3.2
INT1/P3.3
T0/P3.4
T1/P3.5
P1.7
WR/P3.6
RD/P3.7
XTAL2
XTAL1
VSS
P2.0/A8
P2.1/A9
P2.2/A10
P2.3/A11
P2.4/A12
P2.5/A13
P2.6/A14
P2.7/A15
PSEN
ALE
EA/VPP
P0.7/AD7
P0.6/AD6
P0.5/AD5
P0.4/AD4
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
VCC
DUAL
IN-LINE
PACKAGE
Ceramic and Plastic Leaded Chip Carrier
Pin Functions
SU01062
LCC
6140
7
17
39
29
18
28
Pin
Function
1
NIC*
2
P1.0/T2
3
P1.1/T2EX
4
P1.2
5
P1.3
6
P1.4
7
P1.5
8
P1.6
9
P1.7
10
RST
11
P3.0/RxD
12
NIC*
13
P3.1/TxD
14
P3.2/INT0
15
P3.3/INT1
Pin
Function
16
P3.4/T0
17
P3.5/T1
18
P3.6/WR
19
P3.7/RD
20
XTAL2
21
XTAL1
22
VSS
23
NIC*
24
P2.0/A8
25
P2.1/A9
26
P2.2/A10
27
P2.3/A11
28
P2.4/A12
29
P2.5/A13
30
P2.6/A14
Pin
Function
31
P2.7/A15
32
PSEN
33
ALE
34
NIC*
35
EA/VPP
36
P0.7/AD7
37
P0.6/AD6
38
P0.5/AD5
39
P0.4/AD4
40
P0.3/AD3
41
P0.2/AD2
42
P0.1/AD1
43
P0.0/AD0
44
VCC
* NO INTERNAL CONNECTION
Plastic Quad Flat Pack Pin Functions
SU01064
PQFP
44
34
1
11
33
23
12
22
Pin
Function
1
P1.5
2
P1.6
3
P1.7
4
RST
5
P3.0/RxD
6
NIC*
7
P3.1/TxD
8
P3.2/INT0
9
P3.3/INT1
10
P3.4/T0
11
P3.5/T1
12
P3.6/WR
13
P3.7/RD
14
XTAL2
15
XTAL1
Pin
Function
16
VSS
17
NIC*
18
P2.0/A8
19
P2.1/A9
20
P2.2/A10
21
P2.3/A11
22
P2.4/A12
23
P2.5/A13
24
P2.6/A14
25
P2.7/A15
26
PSEN
27
ALE
28
NIC*
29
EA/VPP
30
P0.7/AD7
Pin
Function
31
P0.6/AD6
32
P0.5/AD5
33
P0.4/AD4
34
P0.3/AD3
35
P0.2/AD2
36
P0.1/AD1
37
P0.0/AD0
38
VCC
39
NIC*
40
P1.0/T2
41
P1.1/T2EX
42
P1.2
43
P1.3
44
P1.4
* NO INTERNAL CONNECTION


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