The AT91SAM9G45C-CU is an industrial-grade microcontroller unit (MCU) manufactured by Microchip Technology. It belongs to the AT91SAM9G45 series and is based on the ARM926EJ-S core. This MCU is primarily designed for embedded systems, allowing for high performance and connectivity options. Here are its key features:
1. Processor Core: The AT91SAM9G45C-CU is powered by a 400 MHz ARM926EJ-S core, which provides excellent computational capabilities for various applications.
2. Memory: It integrates 64 MB DDR2 RAM, allowing for efficient data processing and storage. In addition, it offers 64 KB of internal SRAM, ideal for high-speed data buffering.
3. Connectivity: The MCU supports various communication interfaces, including dual Ethernet ports with IEEE 1588 support, two high-speed USB Host ports, one USB device port, two UARTs, two SPI, one SSC, and two TWIs (I2C). These connectivity options enable effortless integration into various systems.
4. Multimedia Support: It features a 24-bit TFT/STN LCD controller with a touchscreen interface, making it suitable for applications requiring graphical user interfaces. Additionally, it supports multiple audio channels with stereo 16-bit resolution through the AC97 interface.
5. Advanced Interrupt Controller (AIC): With its AIC, the MCU offers up to 32 external interrupts and six internal interrupts, allowing for efficient event handling and prioritization.
6. External Bus Interface (EBI): The EBI provides easy connectivity with external devices, supporting several memory technologies, including SDRAM, NAND flash, NOR flash, and SRAM.
7. Advanced Power Management: The MCU incorporates a power management controller responsible for managing power consumption effectively. It supports various power-saving modes and peripheral clock gating, enhancing power efficiency in embedded applications.
8. Security Features: To ensure secure operations, the AT91SAM9G45C-CU includes advanced security features like secure boot, cryptographically secure PRNG, and hardware acceleration for encryption/decryption algorithms. These features are essential in applications protecting sensitive data.
9. Package and Temperature Range: The MCU is available in a BGA289 package, suitable for industrial environments. It operates within a temperature range of -40
