Atmel SAM Family
Overview
The Atmel SAM D20 family uses the ARM Cortex-M0+ core. Peripherals include general purpose serial comms, timer/counters, PWMs, ADCs, a DAC, and capacitive touch channels. Go to their website for more information.
![](/assets/images/atmel-sam3u-development-kit-annotated-diagram-754930ee3fa86c3ca2920476e4abf88a.jpg)
Programming Header
There are a number of different programming protocols you can use with the Atmel SAMD family. This includes the ARM SWD protocol. The pinout used by the Atmel-ICE programming is shown below:
![](/assets/images/atmel-ice-swd-pin-mapping-49732a0561f7b1fc75bf5d9386bcbe48.png)