The Microchip ATSAM3X8EA-AU is a 32-bit ARM Cortex-M3 MCU running up to 84 MHz, with 512 KB Flash and 100 KB SRAM. Packaged in a 144-pin LQFP, it offers extensive connectivity including Ethernet MAC, High-Speed USB host/device with PHY, dual CAN, SD/SDIO/MMC, 5× UART/USART, SPI, I²C, and I²S. Analog features include a 16-channel 12-bit ADC and 2-channel 12-bit DAC. With 103 GPIOs, PWM, timers, DMA, capacitive touch support, and low-power modes, it is ideal for industrial automation, gateways, medical devices, and consumer electronics.