AT89C51RB2-RLTUL - Microchip Technology

Manufacturer Part Number

AT89C51RB2-RLTUL

Manufacturer

Microchip Technology

Introduction

The AT89C51RB2-RLTUL is an 8-bit microcontroller from Microchip Technology's 89C series, designed primarily for embedded systems.

Product Features and Performance

Core Processor: 80C51

Core Size: 8-Bit

Speed: 40MHz

Connectivity options include SPI and UART/USART

Peripherals include Power-on Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT)

Total Number of I/O Pins: 32

Program Memory: 16KB FLASH

RAM: 1.25KB

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Oscillator Type: External

Package: 44-VQFP (10x10)

Product Advantages

High speed 40MHz 8-bit processing suitable for demanding applications

Ample I/O pin count (32) for versatile connectivity and control options

Integrated watchdog timer for improved reliability and system safety

Small footprint with surface mount package for compact designs

Key Technical Parameters

Program Memory Size: 16KB (16K x 8)

RAM Size: 1.25K x 8

Voltage Supply (Vcc/Vdd): 2.7V ~ 3.6V

Speed: 40MHz

Operating Temperature Range: -40°C ~ 85°C

Quality and Safety Features

Includes safety features such as Power-on Reset and Watchdog Timer

Supports a wide range of operating voltages for enhanced reliability

Compatibility

SPI and UART/USART interfaces for compatibility with a wide range of peripheral components

Application Areas

Embedded system applications

Industrial automation

Consumer electronics

Automotive

Product Lifecycle

Status: Obsolete

Note: Users should look for replacements or upgrades due to discontinuation.

Several Key Reasons to Choose This Product

High performance 8-bit 80C51 core operating at 40MHz

Robust connectivity options including SPI and UART/USART

Enhanced reliability and system safety features such as POR and WDT

Ample memory capacity with 16KB FLASH and 1.25KB RAM

Versatility in applications ranging from consumer electronics to industrial automation