參數資料
型號: ADV7180BSTZ
廠商: Analog Devices Inc
文件頁數: 83/116頁
文件大?。?/td> 0K
描述: IC VIDEO DECODER SDTV 64-LQFP
產品變化通告: ADV7180 Metal Mask Edit 22/Oct/2009
設計資源: Low Cost Differential Video Receiver Using ADA4851 Amplifier and ADV7180 Video Decoder (CN0060)
Low Cost Video Multiplexer for Video Switching Using ADA4853-2 Op Amp with Disable Function (CN0076)
標準包裝: 1
類型: 視頻解碼器
應用: 數碼相機,手機,便攜式視頻
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應商設備封裝: 64-LQFP(10x10)
包裝: 托盤
產品目錄頁面: 788 (CN2011-ZH PDF)
配用: EVAL-ADV7180LQEBZ-ND - BOARD EVALUATION ADV7180
EVAL-ADV7180LFEBZ-ND - BOARD EVAL FOR ADV7180 LFCSP
Data Sheet
ADV7180
Rev. I | Page 69 of 116
Each data packet starts immediately after the EAV code of the
preceding line. Figure 52 and Table 86 show the overall structure
of the data packet.
Entries within the packet are as follows:
Fixed preamble sequence of 0x00, 0xFF, and 0xFF.
DID. The value for the DID marking a Gemstar or CCAP
data packet is 0x140 (10-bit value).
SDID, which contains information about the video line
from which data was retrieved, whether the Gemstar
transmission was in 1× or 2× format, and whether it was
retrieved from an even or odd field.
Data count byte, giving the number of user data-words that
follow.
User data section.
Optional padding to ensure that the length of the user
data-word section of a packet is a multiple of four bytes
(requirement as set in ITU-R BT.1364).
Checksum byte.
Table 86 lists the values within a generic data packet that is
output by the ADV7180 in 8-bit format.
05700-
043
00
FF
DID
SDID
DATA
COUNT
USER DATA
OPTIONAL PADDING
BYTES
CHECK
SUM
SECONDARY DATA IDENTIFICATION
PREAMBLE FOR ANCILLARY DATA
DATA IDENTIFICATION
USER DATA (4 OR 8 WORDS)
Figure 52. Gemstar- and CCAP-Embedded Data Packet (Generic)
Table 86. Generic Data Output Packet
Byte
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
Description
0
Fixed preamble
1
Fixed preamble
2
1
Fixed preamble
3
0
1
0
1
0
DID
4
EP
EF
2X
Line[3:0]
0
SDID
5
EP
0
DC[1]
DC[0]
0
Data count (DC)
6
EP
0
Word1[7:4]
0
User data-words
7
EP
0
Word1[3:0]
0
User data-words
8
EP
0
Word2[7:4]
0
User data-words
9
EP
0
Word2[3:0]
0
User data-words
10
EP
0
Word3[7:4]
0
User data-words
11
EP
0
Word3[3:0]
0
User data-words
12
EP
0
Word4[7:4]
0
User data-words
13
EP
0
Word4[3:0]
0
User data-words
14
CS[8]
CS[7]
CS[6]
CS[5]
CS[4]
CS[3]
CS[2]
0
Checksum
Table 87. Data Byte Allocation
Raw Information Bytes Retrieved from the Video Line
GDECAD
User Data-Words
(Including Padding)
Padding Bytes
DC[1:0]
1
4
0
8
0
10
1
4
1
4
0
01
0
2
0
4
0
01
0
2
1
4
2
01
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