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AT89C2051-24PU 8-Bit 8051 Microcontroller IC
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Rs.250.00
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Rs.250.00
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AT89C2051-24PU — 8-Bit 8051 Compatible Microcontroller
The AT89C2051-24PU is a compact, low-power 8-bit microcontroller from Microchip (formerly Atmel) with a built-in 2KB Flash and an on-chip analog comparator. Fully compatible with the 8051 instruction set, it is ideal for simple control tasks, LED drivers, timers, and educational embedded projects in Pakistan.
Technical Specifications
| Parameter | Value |
|---|---|
| Architecture | 8-bit 8051 compatible |
| CPU Speed | Up to 24 MHz |
| Program Memory (Flash) | 2 KB |
| RAM | 128 Bytes |
| I/O Pins | 15 |
| Timers | 2 (16-bit) |
| UART | 1 full-duplex serial port |
| Analog Comparator | On-chip precision analog comparator |
| Operating Voltage | 2.7V – 5.5V |
| Package | 20-pin DIP (PDIP) |
| Operating Temperature | -40°C to +85°C |
Key Features
- Fully 8051 instruction set compatible
- 2KB In-System Programmable Flash memory
- Built-in precision analog comparator
- Low power idle and power-down modes
- Programmable watchdog timer
- Compact 20-pin DIP package
- Compatible with Keil C51 and SDCC compilers
Pin Configuration (20-pin DIP)
Key pins: VCC (Pin 20), GND (Pin 10), RESET (Pin 1), XTAL1 (Pin 5), XTAL2 (Pin 6), AIN0/P1.0 (Pin 12), AIN1/P1.1 (Pin 13), P1.2-P1.7 (Pins 14-19), P3.0/RXD (Pin 2), P3.1/TXD (Pin 3), P3.2/INT0 (Pin 4), P3.3/INT1 (Pin 7), P3.4/T0 (Pin 8), P3.5/T1 (Pin 9).
Applications
- LED display and lighting controllers
- Simple timer and relay circuits
- Serial communication interfaces
- Educational 8051 microcontroller projects
- Low-cost embedded control systems
- Analog signal comparison circuits
Datasheet & Resources
Buy AT89C2051-24PU microcontroller at the best price from Embeded Studio. Genuine Microchip 8051 IC with