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AT89C2051-24PU - AT89C2051 20-Pin 24MHz 2kb 8-bit Microcontroller Technical Data Technical Data - Buy AT89C2051-24PU


Photograph - AT89C2051
AT89C2051 Atmel IC
Features - AT89C2051
Compatible with MCS-51 Products
2K Bytes of Reprogrammable Flash Memory
2.7 to 6V Operating Range
Fully Static Operation: 0 Hz to 24 MHz
Two-level Program Memory Lock
128 x 8-bit Internal RAM
15 Programmable I/O Lines
Two 16-bit Timer/Counters
Six Interrupt Sources
Programmable Serial UART Channel
Direct LED Drive Outputs
On-chip Analog Comparator
Low-power Idle and Power-down Modes
20-pin DIP

Pin Description - AT89C2051

Pin Number

Description

1

RESET - Reset

2

P3.0 - Port 3 - RXD

3

P3.1 - Port 3 - TXD

4

XTAL2 - Crystal

5

XTAL1 - Crystal

6

P3.2 - Port 3 - INT0

7

P3.3 - Port 3 - INT1

8

P3.4 - Port 3 - TO

9

P3.5 - Port 3 - T1

10

GND - Ground

11

P3.7 - Port 3

12

P1.0 - Port 1 - AIN0

13

P1.1 - Port 1 - AIN1

14

P1.2 - Port 1

15

P1.3 - Port 1

16

P1.4 - Port 1

17

P1.5 - Port 1

18

P1.6 - Port 1

19

P1.7 - Port 1

20

Vcc - Positive Supply

Pin Layout - AT89C2051
AT89C2051 Pin Layout

Dimensional Drawing - AT89C2051
AT89C2051 - DIP 20 Dimension Drawing

Technical Data - AT89C2051

Data Sheet

Atmel - Data Sheet for AT89C2051

Application Notes

Atmel - 80 Series Application Notes





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