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CS47L63 - Low-Power Audio DSP

General Description

The CS47L63 is a high-performance low-power audio DSP for earbud headphones and other portable audio devices.

The CS47L63 combines a programmable Halo Core DSP with a variety of power-efficient fixed-function audio processors.

Key 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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 circuit