Atmel SAM Family

The Atmel SAM D20 family uses the ARM Cortex-M0+ core. Peripherals include general purpose serial comms, timer/counters, PWMs, ADC’s, a DAC, and capacitive touch channels. Go to their website for more information.

atmel-sam3u-development-kit-annotated-diagram Annotated hardware diagram of the Atmel SAM3U development kit. Image from www.digikey.com.