Cx31993 Datasheet Fix [2021] -

• Include reference designs for typical use cases: single-supply with external codec, typical RF/IF front end with matching network, and a minimal evaluation-board schematic.
• Provide a PCB layout example (top-layer and ground plane excerpts) showing placement of decoupling caps, filter components, and return paths.

The real issues are almost always power negotiation, USB selective suspend, conflicting audio enhancements, or poor shielding—all of which are external to the silicon itself. Cx31993 Datasheet Fix

• Inaccurate pinout information
• Missing register descriptions
• Incorrect timing diagrams