AT89S51 Microcontroller IC

90.00 EGP

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Overview

The AT89S51 is a high-performance 8-bit microcontroller from the 8051 family, featuring enhanced Flash memory technology and faster programming capabilities. It is designed for versatile embedded system applications that require reliable and efficient control.

Description

✅ Key Features

Core: 8-bit 8051 compatible CPU
Program Memory: 4 KB on-chip In-System Programmable (ISP) Flash memory
Data Memory: 128 bytes internal RAM
I/O Ports: Four 8-bit bidirectional I/O ports (32 pins total)
Timers: Two 16-bit timers/counters for precise timing operations
Serial Communication: Full-duplex UART for asynchronous communication
Interrupts: Multiple interrupt sources with priority levels for efficient handling
Operating Voltage: 4.0V to 5.5V
Clock Frequency: Up to 24 MHz for fast processing
In-System Programming (ISP): Supports programming without removing from the system
Packaging: Available in DIP40 and PLCC44 packages

⚙️ Technical Specifications

Parameter	Details
Architecture	8-bit 8051
Flash Memory	4 KB ISP Flash
RAM	128 bytes
I/O Ports	4 x 8-bit
Timers	2 x 16-bit
UART	Yes
Operating Voltage	4.0 - 5.5 V
Max Clock Frequency	24 MHz
Packaging	DIP40, PLCC44