G-
T
W
-000
0223.2.3
PCM_OUT
PCM_OUT
PCM_OUT
PCM_OUT
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16
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Sign
Extension
8-bit
Sample
8-bit
Sample
Zeros
Padding
Sign
Extension
13-bit
Sample
13-bit
Sample
Audio
Gain
A 16-bit slot with 8-bit companded sample and sign extension selected.
A 16-bit slot with 8-bit companded sample and zeros padding selected.
A 16-bit slot with 13-bit linear sample and sign extension selected.
A 16-bit slot with 13-bit linear sample and audio gain selected.
Figure 9.15: 16-bit Slot Length and Sample Formats
9.3.7
Additional Features
CSR8640 BGA has a mute facility that forces PCM_OUT to be 0. In master mode, CSR8640 BGA is compatible with
some codecs which control power down by forcing PCM_SYNC to 0 while keeping PCM_CLK running.
Advance Information
This material is subject to CSR's non-disclosure agreement
© Cambridge Silicon Radio Limited 2011
Page 51 of 110
CS-209182-DSP1
CSR8640 BGA
Data Sheet
