Present in [SpenceKode DxCore](https://github.com/SpenceKonde/DxCore/blob/a2a333126bed0eeecbd67e376cd7d75bce97db06/megaavr/boards.txt#L1205-L1210). Requested per https://community.platformio.org/t/avr32dd14-support/45906. Also needs a custom toolchain version to support `-mcu=avr32dd14`. Test project located at <https://github.com/maxgerhardt/pio-avr32dd14-test>.
Present in SpenceKode DxCore.
Requested per https://community.platformio.org/t/avr32dd14-support/45906.
Also needs a custom toolchain version to support
-mcu=avr32dd14.Test project located at https://github.com/maxgerhardt/pio-avr32dd14-test.