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AT89C4051-24PU 8-Bit Microcontroller IC | 8051 Compatible
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Rs.250.00
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Rs.250.00
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AT89C4051-24PU — 8-Bit 8051 Compatible Microcontroller
The AT89C4051-24PU is a low-voltage, high-performance 8-bit microcontroller from Microchip (formerly Atmel), fully compatible with the industry-standard 8051 instruction set. Its compact 20-pin DIP package makes it perfect for space-constrained embedded designs, small automation projects, and educational electronics in Pakistan.
Technical Specifications
| Parameter | Value |
|---|---|
| Architecture | 8-bit 8051 compatible |
| CPU Speed | Up to 24 MHz |
| Program Memory (Flash) | 4 KB |
| RAM | 128 Bytes |
| I/O Pins | 15 |
| Timers | 2 (16-bit) |
| UART | 1 full-duplex serial port |
| Interrupts | 6 sources, 2 priority levels |
| Operating Voltage | 2.7V – 5.5V |
| Package | 20-pin DIP (PDIP) |
| Operating Temperature | -40°C to +85°C |
| Programming | In-System Programmable (ISP) |
Key Features
- Fully compatible with 8051 instruction set
- 4KB of In-System Programmable Flash memory
- Low power idle and power-down modes
- Programmable watchdog timer
- On-chip analog comparator
- Compatible with Keil C51 and SDCC compilers
- Compact 20-pin DIP package
Pin Configuration (20-pin DIP)
Key pins: VCC (Pin 20), GND (Pin 10), RESET (Pin 1), XTAL1 (Pin 5), XTAL2 (Pin 6), P1.0-P1.7 (Pins 12-19) — General I/O, P3.0/RXD (Pin 2), P3.1/TXD (Pin 3), P3.2/INT0 (Pin 4), P3.3/INT1 (Pin 5), P3.4/T0 (Pin 6), P3.5/T1 (Pin 7).
Applications
- Small embedded control systems
- LED display controllers
- Serial communication projects
- Home automation and timer circuits
- Educational 8051 projects
- Low-cost industrial controllers
Datasheet & Resources
Buy AT89C4051-24PU microcontroller at the best price from Embeded Studio. Genuine Microchip 8051 IC with