EVAL-ADV7181BEB Analog Devices Inc, EVAL-ADV7181BEB Datasheet - Page 52
EVAL-ADV7181BEB
Manufacturer Part Number
EVAL-ADV7181BEB
Description
BOARD EVALUATION FOR ADV7181
Manufacturer
Analog Devices Inc
Type
Video Decoderr
Datasheet
1.ADV7181BCP.pdf
(100 pages)
Specifications of EVAL-ADV7181BEB
Contents
Evaluation Board
For Use With/related Products
ADV7181
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 52 of 100
- Download datasheet (976Kb)
ADV7181B
•
Table 65 to Table 68 outline the possible data packages.
Table 65. Gemstar 2× Data, Half-Byte Mode
Byte
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Table 66. Gemstar 2× Data, Full-Byte Mode
Byte
0
1
2
3
4
5
6
7
8
9
10
CS[8:2]. The checksum is provided to determine the
integrity of the ancillary data packet. It is calculated by
summing up D[8:2] of DID, SDID, the data count byte, and
all UDWs, and ignoring any overflow during the
summation. Since all data bytes that are used to calculate
the checksum have their two LSBs set to 0, the CS[1:0] bits
are also always 0.
!CS[8] describes the logic inversion of CS[8]. The value
!CS[8] is included in the checksum entry of the data
packet to ensure the reserved values of 0x00 and 0xFF do
not occur.
D[9]
0
1
1
0
!EP
!EP
!EP
!EP
!EP
!EP
!EP
!EP
!EP
!EP
!CS[8]
D[9]
0
1
1
0
!EP
!EP
!CS[8]
D[8]
0
1
1
1
EP
EP
EP
EP
EP
EP
EP
EP
EP
EP
CS[8]
D[8]
0
1
1
1
EP
EP
CS[8]
0
1
1
0
EF
0
CS[7]
D[7]
D[7]
0
1
1
0
EF
0
0
0
0
0
0
0
0
0
CS[7]
Gemstar Word1[7:0]
Gemstar Word2[7:0]
Gemstar Word3[7:0]
Gemstar Word4[7:0]
D[6]
0
1
1
1
1
0
CS[6]
0
1
1
1
1
0
0
0
0
0
0
0
0
0
CS[6]
D[6]
D[5]
0
1
1
0
0
CS[5]
0
1
1
0
0
CS[5]
D[5]
Rev. B | Page 52 of 100
D[4]
0
1
1
0
0
CS[4]
Gemstar Word1[7:4]
Gemstar Word1[3:0]
Gemstar Word2[7:4]
Gemstar Word2[3:0]
Gemstar Word3[7:4]
Gemstar Word3[3:0]
Gemstar Word4[7:4]
Gemstar Word4[3:0]
0
1
1
0
0
D[4]
CS[4]
Line[3:0]
Line[3:0]
0
1
1
0
0
CS[3]
D[3]
Gemstar 2× Format, Half-Byte Output Mode
Half-byte output mode is selected by setting CDECAD = 0;
full-byte output mode is selected by setting CDECAD = 1.
See the GDECAD Gemstar Decode Ancillary Data Format,
Address 0x4C[0] section.
Gemstar 1× Format
Half-byte output mode is selected by setting CDECAD = 0;
full-byte output mode is selected by setting CDECAD = 1.
See the GDECAD Gemstar Decode Ancillary Data Format,
Address 0x4C[0] section.
0
1
1
1
CS[3]
D[3]
0
D[2]
0
1
1
0
1
CS[2]
D[2]
0
1
1
0
0
CS[2]
D[1]
0
1
1
0
0
0
0
0
0
0
CS[1]
D[1]
0
1
1
0
0
0
0
0
0
0
0
0
0
0
CS[1]
D[0]
0
1
1
0
0
0
0
0
0
0
CS[0]
D[0]
0
1
1
0
0
0
0
0
0
0
0
0
0
0
CS[0]
Fixed preamble
Fixed preamble
Fixed preamble
Checksum
Description
DID
SDID
Data count
User data-words
User data-words
User data-words
User data-words
Description
Fixed preamble
Fixed preamble
Fixed preamble
DID
SDID
Data count
User data-words
User data-words
User data-words
User data-words
User data-words
User data-words
User data-words
User data-words
Checksum
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