44.2 Embedded Characteristics

  • Compliant with Inter-IC Sound (I2S) Bus Specification
  • Host, Client, and Controller Modes
    • Client: Data Received/Transmitted
    • Host: Data Received/Transmitted And Clocks Generated
    • Controller: Clocks Generated
  • Individual Enable and Disable of Receiver, Transmitter and Clocks
  • Configurable Clock Generator Common to Receiver and Transmitter
    • Suitable for a Wide Range of Sample Frequencies (fs), Including 32 kHz, 44.1 kHz, 48  kHz, 88.2  kHz, 96  kHz, and 192  kHz
    • 32 fs to 1024 fs Host Clock Generated for External Oversampling Data Converters
  • Support for Multiple Data Formats
    • 32-bit, 24-bit, 20-bit, 18-bit, 16-bit, and 8-bit Mono or Stereo Format
    • 16-bit and 8-bit Compact Stereo Format, with Left and Right Samples Packed in the Same Word to Reduce Data Transfers
  • DMA Controller Interfaces the Receiver and Transmitter to Reduce Processor Overhead
    • One DMA Controller Channel for Both Audio Channels, or
    • One DMA Controller Channel Per Audio Channel
  • Smart Holding Registers Management to Avoid Audio Channels Mix After Overrun or Underrun