Product Model

AT89C51C2-UL

Introduction

8-bit Microcontroller with 32K Bytes Flash Memory

Brand and Manufacturer

ATMEL Corporation

Features

8-bit CPU optimized for control applications

Extended temperature range

Enhanced Full-duplex UART

32K Bytes of Flash memory

2K Bytes of RAM

Three-level Program Memory Lock

256 x 8-bit Internal RAM

30 programmable I/O lines

Three 16-bit Timer/Counters

Eight Interrupt sources

Programmable Serial Channel

Product Performance

In-System Programmable Flash Memory

High Flexibility with Two software selectable modes of reduced activity for power saving

Fully static operation up to 24MHz

0V to 5.5V Operating Range

Technical Specifications

Enhanced 80C51 Central Processing Unit

128 Bytes of On-chip Scratchpad RAM

64 latchable I/O lines

1000 Write/Erase cycles guaranteed for Flash Memory

Dimensions, Shape, and Packaging

Plastic Leaded Chip Carrier (PLCC) Package

Exact dimensions available in datasheet

Quality and Reliability

High MTBF

Proven ATMEL technology

Product Advantages

Robust instruction set for versatile control applications

Integrated on-chip peripherals reduce external component count

Low power modes for energy savings

Product Competitiveness

Cost-effective for embedded control applications

High-performing solution within 8-bit microcontroller market

Compatibility

Binary and Pin Compatible with AT89C51 series

Can interface with other ATMEL microcontrollers and digital ICs

Standard Certification and Compliance

Meets standard 80C51 specifications

Compliance with RoHS and other environmental directives

Lifespan and Sustainability

Long operational life

Designed for sustained performance in broad range of applications

Actual Application Fields

Industrial controls

Consumer electronics

Embedded systems

Automotive systems

Telecommunication equipment

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