SAM V71 Xplained Ultra contains an Embedded Debugger (EDBG) that can be used to program and debug the ATSAMV71Q21 using Serial Wire Debug (SWD). The Embedded Debugger also include a Virtual Com port interface over UART, an Atmel Data Gateway Interface over SPI, and TWI and it includes four of the SAM V71 GPIOs. Atmel Studio can be used as a front end for the Embedded Debugger.