ATSAMD21E15A-MUT [Microchip]

The SAM D21 series provides low-power microcontrollers with ARM Cortex-M0+ processor, featuring up to 256KB Flash, 32KB SRAM, and 48MHz operation. They include intelligent peripherals, Event System for inter-peripheral signaling, and support for capacitive touch interfaces. Key features include DMA controller, multiple timer/counters, full-speed USB 2.0, up to six serial communication interfaces, 12-bit ADC with programmable gain, 10-bit DAC, analog comparators, and Peripheral Touch Controller. The devices offer simple migration paths with identical peripheral modules and pin compatibility within the series.