STAC9228 Integrated Device Technology, STAC9228 Datasheet - Page 108
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
[25:22]
[21:20]
[19:16]
[15:12]
[11:9]
Bit
[8]
[7]
Bitfield Name
NOBLKCH
SmplWrdL
MaxWrdL
OrigFS
CA
CN
FS
Table 204. SPDIFIn VCSR0
IDT CONFIDENTIAL
RW
RW
R
R
R
R
R
R
108
Reset
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Command Response Format
Original sample rate (IEC spec).
Clock accuracy
00 = Level II
01 = Level I
10 = Level III
11 = Reserved
Sample Rate
0000 = 44.1 KHz
0010 = 48 KHz
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)
0010 = B (right channel for stereo channel format)
0011 = C
1111 = O
Sample Word Length [2:0]
If MaxWrdL = 1:
000 = unspecified
001 = 20 bits
010 = 22 bits
011 = reserved
100 = 23 bits
101 = 24 bits
110 = 21 bits
111 = reserved
If MaxWrdL = 0:
000 = unspecified
001 = 16 bits
010 = 18 bits
011 = reserved
100 = 19 bits
101 = 20 bits
110 = 17 bits
111 = reserved
Max Word Length
0 = maximum audio sample word length is 20 bits
1 = maximum audio sample word length is 24 bits
0 = normal behavior
1 = disable block size checking for spdif_in.
STAC9227/9228/9229/9230V 1.0 MARCH 2007
Description
PC AUDIO
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