Table of Contents
Advertisement
AC97 CONTROLLER
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
24-8
Tag Phase
Slot(1)
Slot(2)
Slot(12)
Figure 24-6. AC-link Input Frame
"0"
"0"
"0"
19
START of Data phase
Slot# 1
S3C2416X RISC MICROPROCESSOR
Data Phase
0
19
0
END of Data Frame
Slot# 12
Hide quick links:
Advertisement
Table of Contents
