CDB42406 Ver la hoja de datos (PDF) - Cirrus Logic

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CDB42406

Evaluation Board For CS42406

Cirrus Logic 

CDB42406

1.7.3e Setup 11

Using the on-board crystal oscillator, AUDIO MCLK, a DSP connected to DSP I/O HDR

masters the subclocks for the DAC and provides data to the DAC. Using the on-board

crystal oscillator, AUDIO MCLK, the CS42406 ADC masters its subclocks and are output

onto DSP_ADC_LRCK and DSP_ADC_SCLK. The subclocks for the DAC are input via

DSP_DAC_LRCK and DSP_DAC_SCLK. This allows independent control of the sample

rate for the ADC and DAC. For implementation of this setup option, set DIP switch S4

(SW[3:0]) to ‘1011’b.

AUDIO

MCLK

CS8416

R M CK

OM CK

OL RC K /

OS CL K

SDO UT

CS8406

OMCK

ILR C K/

ISC LK

SD IN

CS42406

M C LK

DAC _L RC K/

DA C _S CL K

DA C _S DIN x

AD C_ LR CK/

AD C_ SC LK

AD C_ SD OU T

DSP I/O

HDR

DS P _M C LK

D SP_ DAC _L RC K/

DSP_D AC_ SC LK

D SP_ SDINx

D SP_ ADC _L RC K/

DSP_AD C_ SC LK

DSP_SDO UT

Figure 12. DSP Routing - Setup 11

13

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