The AT91SAM9261B-CU is a highly-integrated microcontroller from the AT91SAM9261B series developed by Microchip Technology. This IC component is designed primarily for embedded system applications where low power consumption, flexibility, and high performance are critical requirements. Here is an overview of its key features:
1. Core: The AT91SAM9261B-CU is powered by an ARM926EJ-S core, operating at a maximum clock frequency of 200 MHz. This 32-bit RISC processor delivers excellent performance while maintaining low power consumption.
2. Memory: It features a 16-KB instruction cache, a 16-KB data cache, and a 8-KB boot ROM. Additionally, it offers up to 64 MB external DDR2/LPDDRSDRAM, allowing for efficient data storage and retrieval.
3. Connectivity: The AT91SAM9261B-CU provides numerous connectivity options, including a built-in Ethernet 10/100 MAC, high-speed USB 2.0 interface, multiple USARTs, SPI, I2S, and I2C ports. These features enable seamless communication with other devices and peripherals.
4. Multimedia: With an embedded LCD controller, this component supports up to 1024x768 resolution LCD screens, making it suitable for multimedia applications. It incorporates an audio unit, capable of decoding popular audio formats, enabling sound playback.
5. Peripherals: It offers a wide range of peripherals such as a 12-channel 10-bit ADC, PWM, timers/counters, GPIO pins, and a watchdog timer. These peripherals enhance the device's versatility while providing flexibility for various applications.
6. Security: The AT91SAM9261B-CU incorporates advanced security features such as write protection, secure data storage, clock security system, and JTAG boundary scan. These measures protect data integrity and system security.
7. Power Management: The component includes an advanced power management unit, allowing for low-power operation and various power-saving modes. This feature is crucial for battery-powered or energy-efficient applications.
8. Operating System Support: It offers support for various operating systems, including Linux, which extends system compatibility and eases development.
Overall, the AT91SAM9261B-CU is a robust microcontroller with a myriad of features that cater to the demanding requirements of embedded system applications. Its high-speed performance, connectivity options, multimedia support, and security features make it an excellent choice for a wide range of projects.
