AT89C4051-24PU - Atmel

Manufacturer Part Number

AT89C4051-24PU

Manufacturer

Microchip Technology

Introduction

8-bit microcontroller with 8051 core targeted for embedded applications

Product Features and Performance

8-Bit 8051-Compatible Microcontroller

4KB of reprogrammable Flash memory

128 x 8 bits of RAM

24MHz maximum CPU clock speed

UART/USART serial communication module

Built-in brown-out detect/reset

Power-on reset circuit

Internal oscillator for system clock

Capability to drive LEDs directly

Up to 15 general-purpose I/O lines

Product Advantages

Low power consumption

High performance at 24MHz operation

Flexible and versatile use with in-system programmability

Reliable operation with integrated brown-out detect/reset

Ease of interfacing with UART/USART for serial communication

Key Technical Parameters

Core Processor: 8051

Core Size: 8-Bit

Speed: 24MHz

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

RAM Size: 128 x 8

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

Operating Temperature: -40°C ~ 85°C

Mounting Type: Through Hole

20-PDIP packaging for easy integration into circuits

Quality and Safety Features

Embedded brown-out detect/reset for system stability

Power-on reset to ensure reliable start-up

Built-in oscillator for reduced external components

Operating temperature range suitable for industrial applications

Compatibility

Suitable for use in systems which require an 8051 microcontroller

Through-hole mounting compatible with standard PCBs

Application Areas

Consumer Electronics

Industrial control systems

Automation systems

Embedded systems

Automotive electronics

Product Lifecycle

Product Status: Active with no indication of discontinuation

Sustained manufacturer support for part and future upgrades

Several Key Reasons to Choose This Product

High integration into a single 20-DIP package saves space and reduces complexity

Proven 8051 core enhanced with Microchip's technology for reliability

In-system programmability streamlines product updates and customization

Capable of running at 24MHz, offers high-speed processing for time-sensitive tasks

Robust operating temperature range ensures performance in demanding environments

Wide application versatility from the consumer to industrial markets

Continued manufacturer support ensuring long-term deployment and future enhancements