Description:

The AT89S52 is an 8-bit microcontroller from Atmel’s 8051 family, designed for embedded applications requiring high performance and low power consumption. It features a fully compatible MCS-51 instruction set, making it easy to integrate into existing 8051-based systems. The IC includes flash memory, serial communication, timers, and I/O ports, making it ideal for automation, control systems, and embedded projects.

Specifications:

• Microcontroller Core: 8-bit 8051
• Operating Voltage: 4.0V – 5.5V
• Flash Memory: 8KB (Reprogrammable)
• SRAM: 256 Bytes
• EEPROM: No built-in EEPROM
• Clock Speed: Up to 33MHz
• I/O Pins: 32 (4 Ports: P0, P1, P2, P3)
• Timers/Counters: 3 (16-bit each)
• Interrupts: 8 (External and Internal)
• PWM Channels: No dedicated PWM
• ADC: Not available
• Communication Interfaces: UART (Serial), SPI
• Watchdog Timer (WDT): Yes
• Package Type: 40-pin DIP (Dual In-line Package)

Applications:

• Industrial Automation & Control Systems
• Home Automation Projects
• Embedded System Prototyping
• Consumer Electronics
• Robotics & Motor Control
• Digital Meters & Instruments
• Educational and DIY Microcontroller Projects