The CX31993 is a dual-channel, 24-bit audio codec (coder-decoder) chip developed by Sony. Here's a brief report based on its datasheet:

A reference implementation for a USB-C dongle:

Cx31993 Datasheet -

The CX31993 is a dual-channel, 24-bit audio codec (coder-decoder) chip developed by Sony. Here's a brief report based on its datasheet:

A reference implementation for a USB-C dongle: cx31993 datasheet