The AT91M42800A-33AI is an integrated circuit (IC) component designed by Atmel Corporation. It is a high-performance microcontroller that belongs to the AT91M family. This IC is specifically tailored for applications that require low power consumption and high system performance.
Key Features:
1. Architecture: The AT91M42800A-33AI utilizes an advanced RISC architecture with a 32-bit ARM926EJ-S processor. This architecture provides high computing power while consuming minimal energy.
2. Clock Speed: This IC operates at a clock speed of 33 MHz, enabling fast and efficient execution of instructions.
3. Flash Memory: It incorporates 256 kilobytes (KB) of embedded flash memory. This allows for the storage of user code, which can be easily updated and modified.
4. Static RAM: The AT91M42800A-33AI has a 16 KB static random access memory (SRAM) for data storage. This SRAM is highly reliable and retains data even when power is lost.
5. Peripherals: Numerous built-in peripherals enhance the functionality of this IC. It includes a UART (Universal Asynchronous Receiver-Transmitter), a SPI (Serial Peripheral Interface) for communicating with external devices, and a real-time clock for timekeeping applications.
6. Power Management: The IC incorporates advanced power management features, allowing for efficient power utilization. This makes it suitable for battery-powered applications where low power consumption is crucial.
7. Connectivity: It offers multiple communication interfaces, including two I2C (Inter-Integrated Circuit) interfaces, two USART (Universal Synchronous/Asynchronous Receiver-Transmitter) interfaces, and a USB (Universal Serial Bus) interface. These interfaces enable easy communication with other devices and systems.
8. Operating Temperature: The AT91M42800A-33AI is designed to operate within a wide temperature range, typically from -40°C to +85°C. This makes it suitable for various industrial and automotive applications.
9. Debugging and Development: It supports in-circuit debugging and programming through the JTAG (Joint Test Action Group) interface. This feature simplifies software development and system debugging processes.
10. Packaging: The IC is available in a small 128-lead LQFP (Low-Profile Quad Flat Package) package. This package allows for easy integration into compact electronic systems, making it suitable for space-constrained designs.
Overall, the AT91M42800A-33AI is a versatile microcontroller with its robust architecture, ample memory capacity, multiple peripherals, and power-saving capabilities. It is widely used in applications such as industrial automation, consumer electronics, medical devices, and automotive systems, where high performance and low power consumption are essential.
