GS2972 Datasheet, PDF (114/125 Pages) Semtech Corporation – 3G/HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support

Table 4-36: HD and 3G Audio Core Configuration and Status Registers (Continued)
Address Register Name Bit Name
RSVD
GPA_WCLK_SRC
80Bh
CHANNEL_XP_
GRPA
GPA_CH4_SRC
GPA_CH3_SRC
GPA_CH2_SRC
GPA_CH1_SRC
RSVD
GPB_WCLK_SRC
80Ch
CHANNEL_XP_
GRPB
GPB_CH4_SRC
GPB_CH3_SRC
GPB_CH2_SRC
GPB_CH1_SRC
Bit Description
15 Reserved.
14-12
Primary Audio group word clock
source selector.
11-9
Primary Audio group channel 4
source selector.
8-6
Primary Audio group channel 3
source selector.
5-3
Primary Audio group channel 2
source selector.
2-0
Primary Audio group channel 1
source selector.
15 Reserved.
14-12
Secondary Audio group word clock
source selector.
11-9
Secondary Audio group channel 4
source selector.
8-6
Secondary Audio group channel 3
source selector.
5-3
Secondary Audio group channel 2
source selector.
2-0
Secondary Audio group channel 1
source selector.
R/W
R
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
Default
0
0
3
2
1
0
0
4
7
6
5
4
GS2972 3G/HD/SD-SDI Serializer with Complete
SMPTE Audio & Video Support
Final Data Sheet Rev. 9
GENDOC-047479 September 2013
www.semtech.com
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