Atmel ATSAMD11D14A microcontroller
Embedded debugger (EDBG)
USB interface
Programming and debugging on board SAM D11 through Serial Wire Debug (SWD)
Virtual COM-port interface to target via UART
Atmel Data Gateway Interface (DGI) to target via SPI and TWI
Four GPIOs connected to target for code instrumentation
Digital I/O
Two mechanical buttons (user and reset button)
One user LED
One extension header
Three possible power sources
External power
Embedded debugger USB
Target USB
32kHz crystal footprint
USB interface, device mode only
Two QTouch® buttons