GS1503B Gennum Corporation, GS1503B Datasheet - Page 34
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GS1503B
Manufacturer Part Number
GS1503B
Description
Hd Embedded Audio Codec
Manufacturer
Gennum Corporation
Datasheet
1.GS1503B.pdf
(88 pages)
- Current page: 34 of 88
- Download datasheet (2Mb)
Table 4-22: Audio Data Packet Word Descriptions
4.7.2 Audio Data Packet DID Setting
Name
ADF
DID
DBN
DC
CLK
CH1
CH2
CH3
CH4
ECC0-5
CS
No of
Words
3
1
1
1
2
4
4
4
4
6
1
Description
Ancillary Data Flag
Audio Group Data ID
Data Block Number
Data Count
Audio Clock Phase Data
Channel 1 audio data
Channel 2 audio data
Channel 3 audio data
Channel 4 audio data
Error correction code for lower 8 bits of first 24 words
Checksum. Calculates the sum of lower 9 bits of 22
words from DID
The audio group DID for audio input channels 1 to 4 (AIN1/2 and AIN3/4) is set in
DATAIDA[1:0] bits 1-0 of Host Interface register 014h. The audio group DID for
audio input channels 5 to 8 (AIN5/6 and AIN7/8) is set in DATAIDB[1:0] bits 3-2 of
Host Interface register 014h.
the corresponding audio group DID.
When CASCADE is set LOW (external pin or register), the GS1503B will default to
audio groups 1 and 2, where AIN1/2 and AIN3/4 will be multiplexed with audio
group 1 DID, and AIN5/6 and AIN7/8 with audio group 2 DID.
Table 4-23: Audio Data Packet Group DID Host Interface Setting
Proprietary and Confidential
Audio Group
1
2
3
4
10-bit Data
37953 - 0
Table 4-23
2E7h
1E6h
1E5h
2E4h
shows the 2-bit Host Interface setting for
August 2006
Data
000h
3FFh
3FFh
2E7h
1E6h
1E5h
2E4h
Repeat 1-255
218h
–
–
–
–
–
–
–
Host Interface Register Setting
(2-bit)
GS1503B Data Sheet
10b
01b
00b
11b
Auto-Generation
Yes
See
Section 4.7.2
Yes
Yes
Yes
Yes
Yes
Table 4-23
34 of 88
in
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