Technology.The AT91SAM9G25-CU is a powerful ARM926EJ-STM microcontroller manufactured by Microchip Technology. It features an ARM Thumb-2 instruction set, 32K bytes of fast SRAM, a dedicated hardware multiplier and a multi-layer bus matrix. The on-chip peripherals include I2C, USB, SPI, UART, CAN, and SSC, as well as PIOs for controlling external devices. The chip is packaged in a BGA (ball grid array) with green indicator and temperature monitoring and is rated for temperatures from -40°C to +85°C. It is ideal for cost-effective embedded applications such as industrial control, medical systems, home appliances, and gaming devices.