GS2972 Datasheet, PDF (104/125 Pages) Semtech Corporation – 3G/HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support

Table 4-35: SD Audio Core Configuration and Status Registers (Continued)
Address Register Name Bit Name
RSVD
GPA_WCLK_SRC
40Ch
CHANNEL_XP_
GRPA
GPA_CH4_SRC
GPA_CH3_SRC
GPA_CH2_SRC
GPA_CH1_SRC
RSVD
GPB_WCLK_SRC
40Dh
CHANNEL_XP_
GRPB
GPB_CH4_SRC
GPB_CH3_SRC
GPB_CH2_SRC
GPB_CH1_SRC
Bit Description
15
14-12
11-9
8-6
5-3
2-0
15
14-12
11-9
8-6
5-3
2-0
Reserved.
Primary Audio group word clock
source selector.
Input channel 1 000
Input channel 2 001
Input channel 3 010
Input channel 4 011
Input channel 5 100
Input channel 6 101
Input channel 7 110
Input channel 8 111
Primary Audio group channel 4
source selector. 011.
Primary Audio group channel 3
source selector. 010.
Primary Audio group channel 2
source selector. 001.
Primary Audio group channel 1
source selector. 000 - Input
channel
Reserved.
Secondary Audio group word
clock source selector.
Secondary Audio group channel 4
source selector.
Secondary Audio group channel 3
source selector.
Secondary Audio group channel 2
source selector.
Secondary Audio group channel 1
source selector.
R/W
R
Default
0
R/W
0
R/W
3
R/W
2
R/W
1
R/W
0
R
0
R/W
4
R/W
7
R/W
6
R/W
5
R/W
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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