Cx31993 Datasheet Fix Instant

Reboot again.

The CX31993 outputs a DC offset of ~15mV. To be safe, manufacturers add 220µF output capacitors, which roll off bass below 50Hz. Cx31993 Datasheet Fix

| Pin group | Function | |-----------|----------| | 1-4 | USB D+, D-, VBUS, GND | | 5-8 | I2S input / output (BCLK, LRCLK, DATA) | | 9-12 | Analog output (L+, L-, R+, R-) | | 13-16 | Power (1.2V core, 3.3V I/O, VREF) | | 17-20 | GPIO / control (mute, HP detection) | Reboot again

Synaptics releases periodic updates to the CX31993's firmware. Do not use random "driver updater" tools. Only use the official SynapticsUSBAudioSetup.exe or verified GitHub open-source tools. A bad flash will permanently brick the EEPROM, requiring a hardware rework. manufacturers add 220µF output capacitors