CS48LV12 查看數據表（PDF） - Cirrus Logic
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CS48LV12 Datasheet PDF : 26 Pages
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CS48LV12/13
Ultralow Power HD Voice Processors,
Featuring SoundClear® Technology
Overview of Features
• Complete easy-to-implement voice solution including all
essential voice, audio, and speech DSP features for
flagship smartphones, tablets, and computing products
• SoundClear Voice™ noise reduction, echo cancellation,
and voice enhancement
• RAPID2™ GUI-based diagnostic and tuning tool for ease
of design-in
• Media postprocessing support
—Integrated Cirrus Logic playback enhancement for
speakers and headphones
—Optional Dolby® and DTS® playback enhancement 1
• ASR Enhance™ automatic speech recognition (ASR)
preprocessing for increased ASR accuracy in noisy
environments
• Voice activity detector (VAD) enables always-on speech
recognition
• TrulyHandsfree™ voice control by Sensory, Inc.
supported
• Powerful 130-MHz dual-MAC 32-bit DSP core
• Ultralow power consumption (core typically <8 mW @ 1 V
during narrowband call)
• I2S, I2C, SPI™ digital connectivity
1. Use of TrulyHandsfree-, Dolby-, or DTS-supported features requires the existence and proof of a valid license agreement with the
corresponding company to be able to use or distribute its technology in any finished end-user or ready-to-use final product.
RESET
BUSY
I2S
Raw
PGA
Noise
Reduction
Acoustic Echo Canceller
Residual Echo Suppressor
NLP
Spectrally Matched
Comfort Noise
Dynamic
FlexEQ
ALC
PGA
I2S
PCM
Clean
PCM
Full-Duplex Control+ Voice Activity Detection+ Double Talk Detection
CLK
I2S
Clean
PCM
Near
End
PGA
Comfort
Noise
Automatic Volume
Control
Automatic Level
Control
Dynamic
FlexEQ
Noise
Reduction
PGA
Media Processor
GND
VD
VL
Debug
MCLK
Optional
CS48LV12 Block Diagram
SPI /I2C
I2S
Raw
PCM
INT
Far
End
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Copyright Cirrus Logic, Inc. 2014
(All Rights Reserved)
DS1057F1
FEB ‘14
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