7.6.2 Embedded Characteristics

  • Up to Four Microphone Channels
  • Pre-Filtering with Configurable SINC Filter Order and OverSampling Rate (OSR)
  • Optional Audio Filter with Configurable OSR
  • Trigger Signals for DMA Channel
  • PDM Microphone Clock Generation
  • 16 Audio Samples FIFO
  • Configurable Gains for Each Channel
  • Direct Audio Access from the Asynchronous Sample Rate Converter (ASRC)
    • No loss of system bus bandwidth, no data buffer in system memory, no DMA required for transfer
  • Functional Safety Monitors and Reports
    • Reinforced safety for Mode registers and Write Protection Mode register with single error detection
    • Parity monitoring for other configuration registers
    • Abnormal software access reports (undefined, write a read-only, read a write-only)
    • Register write protection
  • Fault Injection Capability