CS48L32 Overview
The CS48L32 is a high-performance low-power audio DSP for smartphones and other portable audio devices. The CS48L32 bines a programmable Halo Core DSP with a variety of power-efficient fixed-function audio processors. The Halo Core DSP supports multiple concurrent audio.
CS48L32 Key Features
- Digital (PDM) output interface
- Halo Core™ digital signal processor
- Dual MAC, 100 MHz audio signal processor
- 280 kB program memory, 768 kB data memory
- Two multichannel audio serial ports (ASP), supporting data formats up to 192 kHz, 32 bits
- Flexible clocking configuration, incorporating a low-power frequency-locked loop (FLL)
- FFT, LMS, and FIR accelerators Event logger with time-stamp and interrupt functions Integrated multichannel 24-bit audio
- 104 dB signal-to-noise ratio (SNR) mic input (16 kHz)
- Configurable functions on up to 16 general-purpose input/output (GPIO) pins Integrated regulator and charge-pump circuit
- Switchable microphone supply/bias outputs WLCSP and QFN package variants, 0.4 mm pitch
CS48L32 Applications
- Up to four analog or digital microphone (DMIC) inputs