General Description
The CS8422 is a 24-bit, high-performance, monolithic CMOS stereo asynchronous sample rate converter with an integrated digital audio interface receiver that decodes audio data according to the EIAJ CP1201, IEC-60958, AES3, and S/PDIF interface standards.

System Features
SPI™or I²C™Software Mode and Stand-Alone Hardware Mode
Flexible 3-wire Digital Serial Audio Input Port
Dual Serial Audio Output Ports with Independently Selectable Data Paths
Master or Slave Mode Operation for all Serial Audio Ports
Time Division Multiplexing (TDM) Mode
Integrated Oscillator for use with External Crystal
Four General-purpose Output Pins (GPO)
+3.3 V Analog Supply (VA)
+1.8 V to 5.0 V Digital Interface (VL)
Space-saving 32-pin QFN Package