AT89C55 Microcontroller IC
60.00 EGP
The AT89C55 is a versatile 8-bit microcontroller from the popular 8051 family, designed for a wide range of embedded system applications. It combines a powerful CPU with on-chip memory and peripherals, making it ideal for both beginners and professionals working on control, automation, and electronic projects.
Description
✅ Key Features
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Core: 8-bit 8051 compatible CPU
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Program Memory: 8 KB on-chip Flash memory for easy code storage and reprogramming
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Data Memory: 256 bytes internal RAM
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I/O Ports: Four 8-bit bidirectional I/O ports (32 pins total) for interfacing with external devices
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Timers: Three 16-bit timers/counters for precise timing operations
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Interrupts: Multiple interrupt sources with four priority levels for responsive control
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Serial Communication: Full-duplex UART for asynchronous communication
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Operating Voltage: 4.0V to 5.5V
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Speed: Up to 24 MHz clock frequency for fast execution
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Packaging: Available in DIP, PLCC, and other packages for easy integration
⚙️ Technical Specifications
| Parameter | Details |
|---|---|
| Architecture | 8-bit 8051 |
| Flash Memory | 8 KB |
| RAM | 256 bytes |
| I/O Ports | 4 x 8-bit |
| Timers | 3 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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Data acquisition systems
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Robotics and instrumentation
The AT89C55 is an excellent choice for projects requiring a reliable, easy-to-program microcontroller with sufficient I/O and processing power for medium-complexity tasks.
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