The P89LPC921FN,112 is an IC component manufactured by NXP Semiconductors. It is a microcontroller that belongs to the P89LPC900 family and is designed for low-power applications. Here is a brief overview and some key features of the P89LPC921FN,112:
1. Architecture: The P89LPC921FN,112 is based on a powerful 8051-compatible CPU core. It operates at a frequency of up to 20 MHz and uses a Von Neumann architecture with an 8-bit data bus.
2. Memory: This microcontroller has 8 KB of Flash program memory for storing the user's code. It also includes 256 bytes of on-chip RAM for data storage during program execution. Additionally, it supports in-system programming (ISP) for easy programming and updating of the Flash memory.
3. Peripherals: The P89LPC921FN,112 provides a range of built-in peripherals to support various application requirements. It features two 8-bit ADC channels for analog-to-digital conversion, allowing you to interface with external sensors and other analog devices. It also includes two UARTs (Universal Asynchronous Receiver/Transmitter) for serial communication.
4. Timers and Interrupts: This microcontroller includes two 16-bit timers/counters that can be used for general-purpose timing or measuring tasks. It also supports six external interrupts for handling external events or signals.
5. I/O Ports: The P89LPC921FN,112 offers a total of 32 general-purpose I/O pins, which can be configured individually as inputs or outputs according to the application requirements. These pins can interface with various devices or be used for user interface purposes.
6. Power Management: The P89LPC921FN,112 is specifically designed for low-power applications. It has power-saving modes, such as idle and power-down, which help reduce power consumption when the microcontroller is not actively processing any tasks.
7. Package: This microcontroller is available in an industry-standard 44-pin PLCC (Plastic Leaded Chip Carrier) package, making it suitable for easy integration in different electronic systems.
Please note that the provided overview is an abbreviated description of the key features of the P89LPC921FN,112 microcontroller. There may be additional features and details that are not covered within the given word limit.
