Programming and debugging
(target) through Serial Wire Debug (SWD)
Virtual COM-port interface to
target via UART
Atmel Data Gateway Interface
(DGI) to target via synchronous USART or TWI
Four GPIOs connected to target
for code instrumentation
Digital I/O
Two mechanical buttons (user and
reset button)
One user LED
Three extension headers
Three spare signal headers
Two possible power sources
External power
Embedded debugger USB
12MHz crystal
32kHz crystal
The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.
