AT89C51 Microcontroller IC
85.00 EGP
The AT89C51 is a classic 8-bit microcontroller from the popular 8051 family, known for its reliability and versatility in embedded system designs. With built-in Flash memory and multiple peripherals, it is widely used in control, automation, and communication projects.
Description
✅ Key Features
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Core: 8-bit 8051 compatible CPU
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Program Memory: 4 KB on-chip Flash memory for storing user programs
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Data Memory: 128 bytes internal RAM
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I/O Ports: Four 8-bit bidirectional I/O ports for interfacing with external components
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Timers: Two 16-bit timers/counters for timing and counting applications
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Serial Communication: Full-duplex UART for serial data exchange
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Interrupts: Multiple interrupt sources with priority levels for efficient handling
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Operating Voltage: 4.0V to 5.5V
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Clock Frequency: Up to 24 MHz for fast operation
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Packaging: Available in DIP40, PLCC, and other packages
⚙️ Technical Specifications
| Parameter | Details |
|---|---|
| Architecture | 8-bit 8051 |
| Flash Memory | 4 KB |
| RAM | 128 bytes |
| I/O Ports | 4 x 8-bit |
| Timers | 2 x 16-bit |
| UART | Yes |
| Clock Frequency | Up to 24 MHz |
| Operating Voltage | 4.0 – 5.5 V |
| Package Types | DIP40, PLCC44, etc. |
📌 Applications
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Embedded control systems
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Consumer electronics
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Industrial automation
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Robotics
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Data acquisition and communication
The AT89C51 is a solid choice for basic to intermediate embedded applications, providing a reliable platform for learning and development in microcontroller-based systems.
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