GS2972 Datasheet, PDF (91/125 Pages) Semtech Corporation – 3G/HD/SD-SDI Serializer with Complete SMPTE Audio & Video Support

4.14 Host Interface Register Maps
4.14.1 Video Core Registers
Table 4-34: Video Core Configuration and Status Registers
Address Register Name Bit Name
Bit Description
R/W Default
000h
RSVD
15 Reserved.
R
0
DELAY_LINE_ENABLE
14
HIGH - enables the delay line.
LOW - disables the delay line.
R/W
0
HIGH - embeds audio on the DS2
AUDIO_LEVELB_STREAM_2_1B
13
of a 3G Level B signal.
LOW - embeds audio on the DS1 of
R/W
0
a 3G Level B signal.
EDH_CRC_UPDATE
HIGH - preserve incoming EDH
flags and insert into outgoing EDH
12 packets.
R/W
0
LOW - embed flags from 003 in
EDH packet.
ANC_INS
HIGH - disable ancillary data
insertion.
11
LOW - embeds ANC packet stored
R/W
0
at 040h to 13Fh according to
parameters at 005h to 02Dh.
AUDIO_EMBED
10
HIGH - disable audio embedding.
LOW - enables audio embedding.
R/W
0
IOPROC
CONV_372
HIGH - disable Level A-B
9
conversion.
LOW - enable Level A-B
conversion.
R/W
1
H_CONFIG
Chooses H configuration;
8
LOW - Active-line based blanking
R/W
0
is enabled.
HIGH - SMPTE H timing.
RSVD
7
Reserved.
R/W
0
SMPTE_352M_INS
HIGH - disables insertion of
6
SMPTE ST 352 packets.
LOW - enables insertion of
SMPTE ST 352 packets
R/W
0
ILLEGAL_WORD_REMAP
5
HIGH - disables illegal word
remapping.
R/W
0
EDH_CRC_INS
4
HIGH - disables EDH CRC error
correction and insertion.
R/W
0
ANC_CSUM_INS
3
HIGH - disables insertion of
ancillary data checksums.
R/W
0
CRC_INS
2
HIGH - disables insertion of HD/3G
CRC words.
R/W
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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