STAC9204 Datasheet, PDF (161/213 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE

STAC9204/9205
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
Bit
[25:22]
[21:20]
[19:16]
[15:12]
[11:9]
Table 383. SPDIFIn VSR Command Response Format
Bitfield Name
RW
Reset
Description
OrigFS
R
0x0
Original sample rate (IEC spec).
Clock accuracy
00 = Level II
CA
R
0x0
01 = Level I
10 = Level III
11 = Reserved
Sample Rate
0000 = 44.1 KHz
0010 = 48 KHz
FS
R
0x0
0011 = 32 KHz
All other combinations are reserved and
shall not be used until further defined (IEC
spec).
Channel Number (audio channel)
0000 = do not take into account
0001 = A (left channel for stereo channel
format)
CN
R
0x0
0010 = B (right channel for stereo channel
format)
0011 = C
...
1111 = O
WordLen
Sample Word Length [2:0]
If MaxWordLen = 1:
000 = unspecified
001 = 20 bits
010 = 22 bits
011 = reserved
100 = 23 bits
101 = 24 bits
110 = 21 bits
R
0x0
111 = reserved
If MaxWordLen = 0:
000 = unspecified
001 = 16 bits
010 = 18 bits
011 = reserved
100 = 19 bits
101 = 20 bits
110 = 17 bits
111 = reserved
IDT™
161
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
STAC9204/9205
V 1.0 12/06