CSR8635 View Datasheet(PDF) - CSR plc

Part Name

Description

Manufacturer

CSR8635

The CSR8635 QFN single-chip Bluetooth® audio ROM device targets mid-range stereo speakers and headsets.

CSR plc 

PCM Interface

PCM_OUT

PCM_IN

PCM_SYNC

PCM_CLK

I²S Interface

SD_OUT

SD_IN

WS

SCK

Table 9.8: Alternative Functions of the Digital Audio Bus Interface on the PCM Interface

Configure the digital audio

WS

SCK

SD_IN/OUT

WS

SCK

SD_IN/OUT

WS

SD_IN/OSPUCrTeKpared

fiMnotrSeqBrfiancgebMouSsBkineLLLgveeeefffPtttnSCCC.zKhhhhaaaEonnnYnnnu_eeeLD-lllSeIGBxcITeRAlLpiLLegoS_fhtiABnt-j-Utuj.ucsDsotIitMfOmiifeiSe_.dcdCBMnOMo-NodFdMFeerISiGdBa,RRRysiiiggge, hhheSttteCCCaphhhntaaaednnnmtnnnhLbeeeeSelll PBr S27K,eL2yS0fB1il3e.

MSB

LSB

MSB

LSB

I2S Mode

Figure 9.20: Digital Audio Interface Modes

The internal representation of audio samples within CSR8635 QFN is 16-bit and data on SD_OUT is limited to 16-bit

per channel.

Production Information

© Cambridge Silicon Radio Limited 2013

Confidential Information - This Material is Subject to CSR's Non-disclosure Agreement

Page 54 of 105

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