The AT89C1051-24SC is an 8-bit microcontroller from the AT89 series developed by Atmel, a subsidiary of Microchip Technology. This IC component is widely used in numerous applications such as industrial control systems, automotive electronics, home automation, and remote control devices. Here are its key features:
1. Architecture: The AT89C1051-24SC is based on the powerful 8051 architecture, featuring an 8-bit CPU with on-chip flash memory and an extensive range of peripherals.
2. Clock Speed: It operates at a maximum CPU clock frequency of 24 MHz, allowing for efficient execution of instructions and faster task processing.
3. Memory: It integrates 1 kilobyte (KB) of on-chip flash memory, which can be electrically erased and reprogrammed. In addition, it contains 64 bytes of on-chip RAM, offering sufficient space for storing variables and temporary data.
4. I/O Ports: This microcontroller provides a total of 15 input/output (I/O) pins, which can be used for interfacing with external devices like sensors, LEDs, and switches. These pins support both parallel and serial communication modes.
5. Timers and Counters: The AT89C1051-24SC includes two 16-bit timer/counters along with a versatile 8-bit timer/counter. These timers are capable of generating accurate time delays, generating PWM (Pulse Width Modulation) signals, and measuring external events.
6. Communication Interfaces: It offers a built-in Universal Asynchronous Receiver-Transmitter (UART), enabling serial communication with other devices at a wide range of baud rates. The UART supports multiple serial protocols, including UART, SPI, and I²C.
7. Interrupt System: The microcontroller features an interrupt capability with four externally initiated and two internally initiated interrupt sources. These interrupts enhance the responsiveness of the system and facilitate efficient handling of critical tasks.
8. Power Management: The AT89C1051-24SC incorporates a power-down mode, which significantly reduces power consumption when the device is idle. This feature is beneficial in battery-powered applications, extending the device's battery life.
9. Operating Voltage: It operates within a voltage range of 2.7V to 6V, making it compatible with various supply sources.
10. Package: The AT89C1051-24SC is available in a 20-pin Small-Outline Integrated Circuit (SOIC) package, ensuring easy integration onto circuit boards and reducing board space requirements.
Overall, with its powerful 8051 core, extensive peripherals, and versatile features, the AT89C1051-24SC microcontroller is an excellent choice for applications requiring cost-effective yet efficient control and communication capabilities.
