STAC9228 Integrated Device Technology, STAC9228 Datasheet - Page 196
STAC9228
Manufacturer Part Number
STAC9228
Description
Theater Quality Eight Channel High Definition Audio Codec With Digital Microphone Interface
Manufacturer
Integrated Device Technology
Datasheet
1.STAC9228.pdf
(237 pages)
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IDT™
STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
8-CHANNEL HIGH DEFINITION AUDIO CODEC
Bit
[4]
Bitfield Name
ADATFRMT
Table 464. ADATOut VCSR0
IDT CONFIDENTIAL
196
RW
RW
Command Response Format
Reset
0x0
STAC9227/9228/9229/9230V 1.0 MARCH 2007
ADAT Sample Split Format Select
1: U user bits U3 and U2 in the
transmitted ADAT stream are supplied
by bits 3:2 of this verb (field ADAT),
under software control.
0: U user bits U3 and U2 in the
transmitted ADAT stream are
controlled automatically by hardware,
derived according to the sample-rate of
the outgoing audio stream.
Hardware support is provided for the
transfer of double- and quad-rate data
streams over the 48 KHz (nominal)
8-channel ADAT interface. Two
2-channel (stereo) streams or one
4-channel audio stream at double-rate
or one 2-channel stream at quad-rate
will be sample-split over the
appropriate ADAT channels. For each
mode, the ADAT channels are listed in
the order of arrival of the
corresponding audio sample:
ADAT_2CH_SGL C0,C1 (C2-C7 zero
padded) ADAT_2CH_DBL
C0,C2,C1,C3 (C4-C7 zero padded)
ADAT_2CH_QUAD
C0,C4,C1,C5,C2,C6,C3,C7
ADAT_4CH_SGL C0,C1,C2,C3
(C4-C7 zero padded) ADAT_4CH_DBL
C0,C2,C4,C6,C1,C3,C5,C7
ADAT_8CH_SGL
C0,C1,C2,C3,C4,C5,C6,C7
Description
PC AUDIO
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