GS1503-CFZ Gennum Corp., GS1503-CFZ Datasheet - Page 57
GS1503-CFZ
Manufacturer Part Number
GS1503-CFZ
Description
HD EMBEDDED AUDIO CODEC
Manufacturer
Gennum Corp.
Datasheet
1.GS1503-CFZ.pdf
(83 pages)
- Current page: 57 of 83
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2.9.2 Arbitrary Data Demultiplexing in Host Interface Mode
To select this mode, set ARBITMODE bit 0 in Host Interface
register 050h HIGH. In this mode, the DID, SDID, DC and
User
corresponding Host Interface registers. Set the video line
number for field 1 and field 2 from which the arbitrary data
packets
ARBITLINEA[11:0] and ARBITLINEB[11:0] Host Interface
Register Settings
2.10 ANCILLARY DATA DELETION
The GS1503 can be configured to delete the embedded
ancillary data packets, after demultiplexing. There are two
modes for ancillary data deletion.
2.10.1 Entire Ancillary Data Deletion
When the ANCI external pin or ANCI bit 1 of Host Interface
register 040h is set HIGH, all ancillary data packets in both
the Luma and Chroma channel of the input video stream
are deleted. The data is replaced with blanking values 040h
in the Luma channel and 200h in the Chroma channel. The
DEL_SEL bit 0 of Host Interface register 040h must be set
LOW.
ARBITLINEA[11:0]
ARBITLINEB[11:0]
ARBITSDID[7-0]
ARBITDID[7-0]
ARBITDC[7-0]
ARBITMODE
ARBITUDW
ARBITON
Data
NAME
are
Words
to
Arbitrary packet demultiplex enable (1: Enabled)
Valid only when ARBITMODE is HIGH
Arbitrary packet mode selection
(0: External pin mode; 1: Host mode)
Arbitrary packet DID setting
Arbitrary packet SDID setting
Arbitrary packet DC setting
Field 1 multiplexing line
Field 2 multiplexing line
Arbitrary packet UDW
must
be
demultiplexed
be
programmed
DESCRIPTION
using
in
the
the
57 of 83
registers respectively. The arbitrary data packet is
demultiplexed when the ARBITON bit 1 in Host Interface
register 050h is set HIGH. ARBITON should be set LOW
when reading the arbitrary data packet User Data Words
from the ARBITUDW Host Interface registers.
ADDRESS
100-1FE
050
051
052
053
054
055
056
057
BIT
7-0
7-0
7-0
3-0
7-0
3-0
7-0
7-0
1
0
SETTING
1
1
-
-
-
-
-
-
DEFAULT
15879 - 4
0
0
0
0
0
0
0
0
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