CS47L63

CS47L63 Low-Power Audio DSP with Microphone Interface and Mono Differential Headphone Driver Features Halo Core™ digital signal processor — Dual MAC, 150 MHz audio signal processor — 200 kB program memory, 408 kB data memory Two multichannel audio serial ports (ASP), supporting sample rates up to 192 kHz Master SPI/I2C interface for external peripherals Flexible clocking configuration incorporating two frequency-locked loops (FLLs) — FFT, LMS, and FIR accelerators — Integrated oscillator for always-on voice operation Programmable wideband, multimic audio processing Configurable functions on up to 12 general-purpose — Cirrus Logic® ambient noise cancelation input/output (GPIO) pins Integrated multichannel 24-bit audio processor Integrated voltage-regulator circuits — 104 dB signal-to-noise ratio (SNR) mic input (16 kHz) — Switchable microphone supply/bias outputs Multichannel asynchronous sample-rate conversion WLCSP package, 0.4 mm pitch Up to four analog or digital microphone (DMIC) inputs Applications Differential headphone output driver Earbud headphones and mobile accessories Always-on voice-triggered devices VDD_LDO LDO_FILT MICBIAS1A MICBIAS1B MICBIAS1C IN1LP_2 IN1LN_2 IN1LP_1 IN1LN_1 IN1RP IN1RN IN1_PDMDATA IN1_PDMCLK IN2LP IN2LN IN2RP IN2RN IN2_PDMDATA IN2_PDMCLK RESET IRQ LDO and MICBIAS Generators Input Select 4 x ADC 2 x Stereo Digital Mic Interface CS47L63 Reference Generator Digital Mixing Core Programmable DSP ...