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ATMEL  AT89C2051-12PU  8 Bit Microcontroller, High Performance CMOS, AT89C2051, 12 MHz, 2 KB, 125 Byte, 20 Pins, DIP

ATMEL AT89C2051-12PU
Technical Data Sheet (381.68KB) EN See all Technical Docs

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Product Overview

The AT89C2051-12PU is a 8-bit low-voltage, high-performance CMOS Microcomputer with 2kB of flash programmable and erasable read-only memory (PEROM). The device is manufactured using Atmel's high-density non-volatile memory technology and is compatible with the industry-standard MCS-51 instruction set. By combining a versatile 8-bit CPU with flash on a monolithic chip, the Atmel AT89C2051 is a powerful microcomputer which provides a highly-flexible and cost-effective solution to many embedded control applications. The AT89C2051 provides the following standard features, 2kB of flash, 128 bytes of RAM, 15 I/O lines, two 16-bit timer/counters, a five vector two-level interrupt architecture, a full duplex serial port, a precision analogue comparator, on-chip oscillator and clock circuitry. In addition, the AT89C2051 is designed with static logic for operation down to zero frequency and supports two software selectable power saving modes.
  • Compatible with MCS®-51 products
  • 10,000 Write/erase cycles endurance
  • 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 analogue comparator

 

Product Information

Controller Family/Series:
AT89C2051
CPU Speed:
12MHz
Program Memory Size:
2KB
RAM Memory Size:
125Byte
No. of Pins:
20Pins
MCU Case Style:
DIP
No. of I/O's:
15I/O's
Embedded Interface Type:
UART
Supply Voltage Min:
2.7V
Supply Voltage Max:
6V
Packaging:
Each
Product Range:
8051 Microcontrollers
Automotive Qualifications Standard:
-
No. of Timers:
2
MPU Core Size:
8bit
MSL:
-
Peripherals:
Comparator
Operating Temperature Min:
-55 °C
Operating Temperature Max:
125 °C
Supply Voltage Range:
2.7V to 6V
Oscillator Type:
External
SVHC:
No SVHC (15-Jun-2015)

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Applications

  • Industrial

Legislation and Environmental

Moisture Sensitivity Level:
-
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor

Associated Products