AT89C51RC-33AC ATMEL Corporation, AT89C51RC-33AC Datasheet - Page 2
AT89C51RC-33AC
Manufacturer Part Number
AT89C51RC-33AC
Description
8-bit Microcontroller with 32K Bytes Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89C51RC-33AC.pdf
(37 pages)
- Current page: 2 of 37
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Pin Configurations
2
AT89C51RC
(RXD) P3.0
(INT0) P3.2
(INT1) P3.3
(TXD) P3.1
(T0) P3.4
(T1) P3.5
P1.5
P1.6
P1.7
RST
(RXD) P3.0
(INT0) P3.2
(INT1) P3.3
(TXD) P3.1
NC
(T0) P3.4
(T1) P3.5
P1.5
P1.6
P1.7
RST
1
2
3
4
5
6
7
8
9
10
11
NC
(T2EX) P1.1
(RXD) P3.0
(INT0) P3.2
(INT1) P3.3
(TXD) P3.1
(WR) P3.6
(RD) P3.7
(T2) P1.0
(T0) P3.4
(T1) P3.5
7
8
9
10
11
12
13
14
15
16
17
XTAL2
XTAL1
GND
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
RST
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
TQFP
PLCC
PDIP
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)
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)
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)
1920B–MICRO–11/02
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