GS2972 Datasheet, PDF (101/125 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
AFNA_AUTO
AFN_OFS
400h
CFG_AUD
IDB
IDA
RSVD
OFFSET_DISABLE
401h
FIFO_BUF_SIDE
OS_SEL
RSVD
AES_ERRD
402h
AES_EBU_ERR_
STATUS
AES_ERRC
AES_ERRB
AES_ERRA
Bit
7
6-4
3-2
1-0
15-3
2
1-0
15-4
3
2
1
0
Description
Enables Primary group audio
frame number generation. Active
HIGH.
Offset to add to generated Audio
Frame Number. Must be in the
range of 0 to 4.
Specifies the secondary audio
group to embed. Note: Should IDA
and IDB be set to the same value,
they automatically revert to their
default values.
Specifies the primary audio group
to embed.
Note: Should IDA and IDB be set to
the same value, they automatically
revert to their default values.
Reserved.
Set to disable staggering of
secondary group audio sample
distribution by one line. Active
HIGH.
Specifies the audio FIFO buffer
size.
00-52 samples deep, 26 sample
start-up count
01-24 samples deep, 12 sample
start-up count
10-12 samples deep, 6 sample
start-up count 11-Reserved
Reserved.
Stereo Pair D (7&8) audio input
parity error when using AES
format. Automatically cleared
when read.
Stereo Pair C (5&6) audio input
parity error when using AES
format. Automatically cleared
when read.
Stereo Pair B (3&4) audio input
parity error when using AES
format. Automatically cleared
when read.
Stereo Pair A (1&2) audio input
parity error when using AES
format. Automatically cleared
when read.
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
R
R
R
R
R
Default
1
0
1
0
0
0
0
0
0
0
0
0
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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