AT89C52

The AT89C52 is an 8-bit microcontroller based on the MCS-51 architecture by Atmel (now part of Microchip Technology). It is designed for use in embedded control applications and features a powerful instruction set and versatile peripheral set. The AT89C52 includes 8 KB of flash memory, 256 bytes of RAM, and various I/O ports, making it suitable for a wide range of applications from industrial automation to consumer electronics.

Key Features:

• Architecture: MCS-51 compatible 8-bit microcontroller
• Flash Memory: 8 KB (In-System Programmable)
• RAM: 256 bytes
• EEPROM: None
• I/O Ports: 32 programmable I/O lines
• Timers: Three 16-bit timers/counters
• Serial Communication: Full-duplex UART
• Interrupts: Eight interrupt sources
• Oscillator: On-chip oscillator and clock circuitry

Technical Specifications:

• CPU: 8-bit CPU optimized for control applications
• Operating Voltage: 4.0V to 5.5V
• Clock Frequency: Up to 24 MHz
• Memory:
  • Flash: 8 KB for program storage
  • RAM: 256 bytes for data storage
• I/O Ports: Four 8-bit I/O ports (P0, P1, P2, P3)
• Timers/Counters: Three 16-bit timers/counters (Timer 0, Timer 1, Timer 2)
• Serial Interface: One UART (Universal Asynchronous Receiver/Transmitter)
• Interrupts: Eight interrupt sources, including external interrupts, timer interrupts, and serial port interrupts
• Watchdog Timer: Integrated watchdog timer for system reliability
• Power-Saving Modes: Idle and Power-down modes for energy-efficient operation

Applications:

• Industrial Control: Used in process control, instrumentation, and automation systems.
• Consumer Electronics: Embedded in household appliances, remote controls, and toys.
• Automotive: Utilized in automotive control systems and diagnostics.
• Communications: Employed in data communication and networking devices.
• Embedded Systems: Ideal for use in various embedded systems requiring robust and reliable control.

Datasheet:
For detailed technical information, refer to the AT89C52 Microcontroller Datasheet provided by the manufacturer.