AT89S8253-24AU - Microchip Technology

Manufacturer Part Number

AT89S8253-24AU

Manufacturer

Microchip Technology

Introduction

8-bit microcontroller based on the industry-standard 8051 core

Ideal for a wide range of embedded control applications

Product Features and Performance

12KB of in-system reprogrammable flash memory

2KB of data EEPROM

256 bytes of RAM

32 programmable I/O lines

Three 16-bit timer/counters

Full-duplex UART

SPI serial interface

Watchdog timer with separate on-chip oscillator

Power-on reset and electronic reset

Product Advantages

Low-power, high-performance CMOS 8-bit microcontroller

Fully compatible with the MCS-51 instruction set

Flexible memory options

Rich peripheral set for enhanced system integration

Key Technical Parameters

Operating voltage: 2.7V to 5.5V

Operating temperature: -40°C to 85°C

Flash program memory: 12KB

EEPROM data memory: 2KB

RAM: 256 bytes

I/O ports: 32

Timers/counters: 3 x 16-bit

UART, SPI interfaces

Watchdog timer, power-on reset

Quality and Safety Features

Robust design for reliability and long-term performance

RoHS3 compliant for environmental responsibility

Compatibility

Fully compatible with the industry-standard MCS-51 architecture

Can be used in a wide range of embedded applications

Application Areas

Industrial control systems

Home appliances

Automotive electronics

Medical devices

Consumer electronics

Product Lifecycle

This product is still in active production and widely available

No immediate plans for discontinuation

Potential upgrades or replacements with enhanced features may be available in the future

Key Reasons to Choose This Product

Proven 8051 core architecture with excellent code compatibility

Flexible memory configuration and rich peripheral set

Low power consumption and wide operating temperature range

Reliable and robust design for long-term, stable performance

Extensive ecosystem of development tools and support