CS47L90
Overview
- Low-power, always-on voice trigger capability
- 975 MIPS, seven DSP-core audio signal processor - Inter-DSP memory sharing
- Multichannel asynchronous sample-rate conversion
- Multiline SLIMbus® audio and control interface - Event loggers with time-stamp and interrupt functions
- Four full digital-audio interfaces
- Programmable wideband, multimic audio processing - Cirrus Logic® mono ambient noise cancelation - Transmit-path noise reduction and echo cancelation
- Integrated multichannel 24-bit hi-fi audio hub codec - Standard data formats up to 192 kHz, 32 bits - Multichannel support on AIF1 and AIF2
- Flexible clocking, derived from MCLKn, SLIMbus, or AIFn - Low-power frequency-locked loops (FLLs) support reference clocks down to 32 kHz - 98-dB signal-to-noise ratio (SNR) mic input (48 kHz)
- Advanced accessory detection functions - 127-dB SNR headphone playback (48 kHz) - Ultrasonic input- and output-path support
- Configurable functions on up to 38 general-purpose input/output (GPIO) pins
