AT89C55WD-24JI - Microchip Technology

Manufacturer Part Number

AT89C55WD-24JI

Manufacturer

Microchip Technology

Introduction

The AT89C55WD-24JI is an 8-bit microcontroller from Microchip Technology's 89C55 series, designed for embedded applications.

Product Features and Performance

20KB of on-chip Flash program memory

256 bytes of on-chip RAM

32 programmable I/O lines

UART/USART connectivity

8051 core architecture

24MHz operating speed

On-chip watchdog timer (WDT)

Product Advantages

Wide operating temperature range of -40°C to 85°C

Low power consumption

Versatile I/O capabilities

Compatibility with the industry-standard 8051 architecture

In-system programmable Flash memory

Key Technical Parameters

8-bit core

5V to 5.5V supply voltage

Internal oscillator

RoHS non-compliant

Quality and Safety Features

Robust design for industrial and commercial applications

Watchdog timer for system reliability

Compatibility

Pin-compatible with other 89C55 series microcontrollers

Supports 8051 instruction set

Application Areas

Industrial automation and control

Automotive electronics

Home appliances

Consumer electronics

Product Lifecycle

The AT89C55WD-24JI is an active product in Microchip's portfolio

Replacement or upgrade options may be available, depending on the specific application requirements

Several Key Reasons to Choose This Product

Proven 8051 architecture for reliable and efficient embedded systems

Versatile I/O and communication capabilities

Wide operating temperature range for industrial and harsh environments

In-system programmable Flash memory for easy firmware updates

Microchip's extensive support and ecosystem for the 89C55 series