AT89C52-24PC

The AT89C52-24PC is a widely-used 8-bit microcontroller integrated circuit (IC) manufactured by Atmel, which is now a part of Microchip Technology Inc. This IC belongs to the Atmel 8051 family of microcontrollers and is commonly employed in various embedded systems and electronic devices. Here are some key features and an overview of the AT89C52-24PC: 1. Architecture: The AT89C52-24PC is based on the 8051 Harvard architecture, featuring an 8-bit CPU core with a 16-bit program counter and a 8-bit data bus. It incorporates both program memory (ROM) and data memory (RAM) on-chip. 2. Clock Frequency: The IC has a maximum operating frequency of 24 MHz, allowing for high-speed execution of programs and processes. 3. Program and Data Memory: The AT89C52-24PC has 8 KB of on-chip Flash memory for program storage. It also includes 256 bytes of on-chip RAM, which is utilized for data storage during program execution. 4. I/O Ports: The microcontroller provides a total of 32 general-purpose I/O pins that can be configured as either inputs or outputs, supporting various interfacing requirements. 5. Timers/Counters: The IC includes three 16-bit Timer/Counter registers: Timer/Counter 0 (T0), Timer/Counter 1 (T1), and Timer/Counter 2 (T2). These timers/counters are useful for time-sensitive operations and can be configured in different modes to fulfill various timing requirements. 6. Serial Communication: The AT89C52-24PC features a built-in UART (Universal Asynchronous Receiver Transmitter) for serial communication. It supports full-duplex, asynchronous serial communication at various baud rates. 7. Interrupts: The microcontroller supports both hardware and software interrupts, providing efficient multitasking abilities. It offers a total of six interrupt sources, including two external interrupts. 8. Oscillator and Clock Circuitry: AT89C52-24PC can be clocked externally via an oscillator circuit or using an external clock signal. It also includes an on-chip oscillator for internal clock generation using an external crystal or ceramic resonator. 9. Power Management: The IC supports various power-saving modes, enabling low-power operation when the system is idle or not actively processing data. 10. Operating Voltage: The AT89C52-24PC typically operates at a power supply voltage between 4.0V and 6.0V, making it compatible with a wide range of power sources. Overall, the AT89C52-24PC microcontroller offers a powerful, versatile, and cost-effective solution for embedded applications. Its compatibility with the popular 8051 architecture, extensive I/O options, and various built-in peripherals make it suitable for a wide range of projects and systems.