AT89C51RC2-RLTUL - Microchip Technology

Manufacturer Part Number

AT89C51RC2-RLTUL

Manufacturer

Microchip Technology

Introduction

The AT89C51RC2-RLTUL is an 8-bit microcontroller based on the 80C51 core, operating at a speed of 40MHz and featuring a range of built-in peripherals including Serial Peripheral Interface (SPI), UART/USART, Power-On Reset (POR), Programmable Pulse Width Modulation (PWM), and Watchdog Timer (WDT).

Product Features and Performance

Core Processor: 80C51

Core Size: 8-Bit

Speed: 40MHz

Connectivity: SPI, UART/USART

Peripherals: POR, PWM, WDT

Number of I/O: 32

Program Memory Size: 32KB (32K x 8)

Program Memory Type: FLASH

RAM Size: 1.25K x 8

Oscillator Type: External

Product Advantages

High performance 8-bit architecture

Enhanced connectivity options including SPI and UART/USART

32 I/O lines for versatile interfacing with external peripherals

Robust set of integrated peripherals aiding in efficient system design

Key Technical Parameters

Speed: 40MHz

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

Operating Temperature: -40°C ~ 85°C (TA)

Data Converters: None

Quality and Safety Features

Watchdog Timer for system reliability and safety

Power-On Reset to ensure proper initialization at power-up

Compatibility

Compatible with existing 80C51-based hardware and software systems

Mounting Type: Surface Mount

Supplier Device Package: 44-VQFP (10x10)

Package / Case: 44-LQFP

Application Areas

Industrial automation

Consumer electronics

Telecommunications systems

Product Lifecycle

Product Status: Obsolete

No direct replacement or upgrade options available from the same product line

Several Key Reasons to Choose This Product

High integration of features reduces external components for compact designs

Wide operating temperature range suitable for harsh environments

Large number of I/O lines enhances system control capabilities

Suitable for complex applications due to ample program memory and RAM capabilities.