AT89C4051-12PC - Microchip Technology

Manufacturer Part Number

AT89C4051-12PC

Manufacturer

Microchip Technology

Introduction

The AT89C4051-12PC is an 8-bit microcontroller from Microchip Technology designed explicitly for embedded system applications, featuring a robust 8051 core operating at 12MHz.

Product Features and Performance

8-bit 8051 core processor

Clock Speed of 12MHz

4KB of reprogrammable Flash memory

Integrated UART/USART connectivity

Internal Oscillator

15 I/O ports for versatile connectivity

Specialized peripherals including Brown-out Detect/Reset, LED, Power-on Reset

Supports a power supply range from 4V to 6V

Operates at ambient temperatures from 0°C to 70°C

Product Advantages

Enhanced functionality with integrated peripherals reducing external components

Robust Flash memory allows for flexible and reprogrammable use

High level of integration for an economical and efficient design

Key Technical Parameters

Core Size: 8-Bit

Speed: 12MHz

Program Memory Size: 4KB (4K x 8)

RAM Size: 128 x 8

Voltage Supply (Vcc/Vdd): 4V ~ 6V

Number of I/O: 15

Operating Temperature Range: 0°C ~ 70°C

Quality and Safety Features

Brown-out Detect/Reset for system reliability under fluctuating supply conditions

Power-on Reset to ensure proper operation on power-up

Compatibility

Compatible with a wide range of external components through UART/USART interface and multiple I/O options

Easy integration with legacy systems utilizing the 8051 core

Application Areas

Ideal for control systems, consumer electronics, automation systems, and more

Product Lifecycle

The product is marked as obsolete

Replacement models or upgrade options may be available from Microchip Technology to ensure future-proof development

Several Key Reasons to Choose This Product

Long-reaching application due to versatile power requirements and operating temperatures

Durable and reliable processor with integrated safety features

Cost-efficient solution with minimal need for additional components due to integrated peripherals and reprogrammable Flash memory

Proven 8051 core provides a stable and efficient platform for embedded applications

Comprehensive connectivity and interfacing optionsrive development flexibility