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AC97 CONTROLLER
Slot 3: PCM Record Left channel
Slot 3 which is audio input frame is the left channel audio output of the AC97 Codec. If a sample has a resolution
that is less than 16 bits, the AC97 Codec fills all training non-valid bit positions in the slot with zeroes.
Slot 4: PCM Right channel audio
Slot 4 which is audio input frame is the right channel audio output of the AC97 Codec. If a sample has a
resolution that is less than 16 bits, the AC97 Codec fills all training non-valid bit positions in the slot with zeroes.
Slot 6: Microphone Record Data
The AC97 Controller only supports 16-bit resolution for the MIC-in channel.
SYNC
AC '97 samples SYNC assertion here
AC '97 Controller samples first SDATA_IN bit of frame here
BIT_CLK
Codec
SDATA_OUT
Ready
END of previous Audio Frame
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
35-8
Specifications and information herein are subject to change without notice.
Tag Phase
Slot(1)
Slot(2)
Slot(12)
Figure 35-6. AC-link Input Frame
"0"
"0"
"0"
19
START of Data phase
Slot# 1
S3C6400 RISC MICROPROCESSOR
Data Phase
0
19
END of Data Frame
0
Slot# 12
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