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| 型号： | ADV7180BSTZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 85/116页 |
| 文件大小： | 0K |
| 描述： | IC VIDEO DECODER SDTV 64-LQFP |
| 产品变化通告： | ADV7180 Metal Mask Edit 22/Oct/2009 |
| 设计资源： | 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) |
| 标准包装： | 1 |
| 类型： | 视频解码器 |
| 应用： | 数码相机，手机，便携式视频 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-LQFP |
| 供应商设备封装： | 64-LQFP（10x10） |
| 包装： | 托盘 |
| 产品目录页面： | 788 (CN2011-ZH PDF) |
| 配用： | EVAL-ADV7180LQEBZ-ND - BOARD EVALUATION ADV7180 EVAL-ADV7180LFEBZ-ND - BOARD EVAL FOR ADV7180 LFCSP |
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ADV7180
Data Sheet
Rev. I | Page 70 of 116
Gemstar Bit Names
The following are the Gemstar bit names:
DID—The data identification value is 0x140 (10-bit value).
Care is taken so that in 8-bit systems, the two LSBs do not
carry vital information.
EP and EP—The EP bit is set to ensure even parity on the
D[8:0] data-word. Even parity means there is always an
even number of 1s within the D[8:0] bit arrangement. This
includes the EP bit. EP describes the logic inverse of EP
and is output on D[9]. The EP is output to ensure that the
reserved codes of 00 and FF do not occur.
EF—Even field identifier. EF = 1 indicates that the data was
recovered from a video line on an even field.
2×—This bit indicates whether the data sliced was in
Gemstar 1× or 2× format. A high indicates 2× format.
The 2× bit determines whether the raw information
retrieved from the video line was two bytes or four bytes.
The state of the GDECAD bit affects whether the bytes are
transmitted straight (that is, two bytes transmitted as two
bytes) or whether they are split into nibbles (that is, two
bytes transmitted as four half bytes). Padding bytes are
then added where necessary.
Line[3:0]—This entry provides a code that is unique for
each of the possible 16 source lines of video from which
Gemstar data may have been retrieved. Refer to Table 96
DC[1:0]—Data count value. The number of UDWs in the
packet divided by 4. The number of UDWs in any packet
must be an integral number of 4. Padding may be required
at the end, as set in ITU-R BT.1364. See Table 87.
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.
Because 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
that the reserved values of 0x00 and 0xFF do not occur. Table 88
to Table 91 outline the possible data packages.
Gemstar_2× Format, Half-Byte Output Mode
Half-byte output mode is selected by setting GDECAD to 0;
full-byte output mode is selected by setting GDECAD to 1. See
Address 0x4C[0] section.
Gemstar_1× Format
Half-byte output mode is selected by setting CDECAD to 0,
full-byte output mode is selected by setting CDECAD to 1. See
Address 0x4C[0] section.
Table 88. Gemstar_2× Data, Half-Byte Mode
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
1
Line[3:0]
0
SDID
5
EP
0
1
0
Data count
6
EP
0
Gemstar Word1[7:4]
0
User data-words
7
EP
0
Gemstar Word1[3:0]
0
User data-words
8
EP
0
Gemstar Word2[7:4]
0
User data-words
9
EP
0
Gemstar Word2[3:0]
0
User data-words
10
EP
0
Gemstar Word3[7:4]
0
User data-words
11
EP
0
Gemstar Word3[3:0]
0
User data-words
12
EP
0
Gemstar Word4[7:4]
0
User data-words
13
EP
0
Gemstar Word4[3:0]
0
User data-words
14
CS[8]
CS[7]
CS[6]
CS[5]
CS[4]
CS[3]
CS[2]
CS[1]
CS[0]
Checksum
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相关代理商/技术参数 |
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|---|---|
| ADV7180BSTZ | 制造商:Analog Devices 功能描述:Video IC |
| ADV7180BSTZ-REEL | 功能描述:IC VIDEO DECODER SDTV 64-LQFP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 标准包装:250 系列:- 类型:电平移位器 应用:LCD 电视机/监控器 安装类型:表面贴装 封装/外壳:28-WFQFN 裸露焊盘 供应商设备封装:28-WQFN（4x4）裸露焊盘 包装:带卷 (TR) 其它名称:296-32523-2TPS65198RUYT-ND |
| ADV7180KCP32Z | 功能描述:IC VIDEO DECODER 10BIT 32LFCSP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| ADV7180KCP32Z-RL | 功能描述:IC VIDEO DECODER 10BIT 32LFCSP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| ADV7180KST48Z | 功能描述:IC VID DECOD SDTV 10BIT 48LQFP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
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