What MCUs are supported and are there available libraries?

Acconeer have worked with STM32L475 and STM32L476 (ST-Micro), and ATSAME70Q21A-AN (ATMEL).

The┬áSTM32L476 evk is available for download on Acconeer’s website. (Includes BowerBin, Envelope, and Distance Peak)

There is currently no public evk built for Atmel SAM-E70 but it can be delivered on request.