The AT89C52 is a 16-bit microcontroller from Atmel (formerly Microchip), part of the AVR family. It is commonly used in embedded systems, especially in applications requiring low power consumption, simple peripherals, and a compact footprint.
✅ Key Features of AT89C52
| Feature | Description |
|---|---|
| Architecture | 16-bit, 8-bit peripherals, 8-bit CPU |
| Clock | 16 MHz (up to 16 MHz, can be divided) |
| Flash Memory | 512 bytes (up to 512 bytes, can be programmed) |
| RAM | 128 bytes |
| ROM | 128 bytes |
| I/O Ports | 8 I/O ports (P0, P1, P2, P3) |
| Clock Source | Internal oscillator or external crystal |
| Power Supply | 5V (can be regulated) |
| Operating Temperature | -40°C to +85°C |
| Power Consumption | Low power (ideal for battery-powered devices) |