AT89C2051 Atmel Corporation, AT89C2051 Datasheet - Page 2

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AT89C2051

Manufacturer Part Number
AT89C2051
Description
Manufacturer
Atmel Corporation
Datasheet

Specifications of AT89C2051

Flash (kbytes)
2 Kbytes
Max. Operating Frequency
24 MHz
Cpu
8051-12C
Max I/o Pins
15
Uart
1
Sram (kbytes)
0.125
Operating Voltage (vcc)
2.7 to 6.0
Timers
2

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2. Pin Configuration
2.1
3. Block Diagram
2
20-lead PDIP/SOIC
AT89C2051
(RXD) P3.0
(INT0) P3.2
(INT1) P3.3
(TXD) P3.1
(TO) P3.4
RST/VPP
(T1) P3.5
XTAL2
XTAL1
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCC
P1.7
P1.6
P1.5
P1.4
P1.3
P1.2
P1.1 (AIN1)
P1.0 (AIN0)
P3.7
0368H–MICRO–6/08

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