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參數(shù)資料
| 型號(hào)： | ADV7183BBSTZ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號(hào)轉(zhuǎn)換 |
| 英文描述： | Multiformat SDTV Video Decoder |
| 中文描述： | COLOR SIGNAL DECODER, PQFP80 |
| 封裝： | LEAD FREE, MS-026-BEC, LQFP-80 |
| 文件頁數(shù)： | 37/100頁 |
| 文件大?。?/td> | 844K |
| 代理商： | ADV7183BBSTZ |
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ADV7183B
AV CODE INSERTION AND CONTROLS
This section describes the I
2
C based controls that affect:
Rev. B | Page 37 of 100
Insertion of AV codes into the data stream
Data blanking during the vertical blank interval (VBI)
The range of data values permitted in the output data
stream
The relative delay of luma vs. chroma signals
Some of the decoded VBI data is inserted during the horizontal
blanking interval. See the
200H
Gemstar Data Recovery section for
more information.
BT656-4 ITU Standard BT-R.656-4 Enable, Address
0x04[7]
The ITU has changed the position for toggling of the V bit
within the SAV EAV codes for NTSC between revisions 3 and 4.
The BT656-4 standard bit allows the user to select an output
mode that is compliant with either the previous or the new
standard. For more information, review the standard at
www.itu.int.
Note that the standard change affects NTSC only and has no
bearing on PAL.
When BT656-4 is 0 (default), the BT656-3 specification is used.
The V bit goes low at EAV of Line 10 and Line 273.
When BT656-4 is 1, the BT656-4 specification is used. The
V bit goes low at EAV of Line 20 and Line 283.
SD_DUP_AV Duplicate AV Codes, Address 0x03[0]
Depending on the output interface width, it can be necessary to
duplicate the AV codes from the luma path into the chroma path.
In an 8-bit-wide output interface (Cb/Y/Cr/Y interleaved data),
the AV codes are defined as FF/00/00/AV, with AV as the
transmitted word that contains information about H/V/F.
In this output interface mode, the following assignment takes
place: Cb = FF, Y = 00, Cr = 00, and Y = AV.
In a 16-bit output interface where Y and Cr/Cb are delivered via
separate data buses, the AV code is over the whole 16 bits. The
SD_DUP_AV bit allows the user to replicate the AV codes on
both busses, so the full AV sequence can be found on the Y bus
and on the Cr/Cb bus. See
201H
Figure 19.
When SD_DUP_AV is 0 (default), the AV codes are in single
fashion (for 8-bit interleaved data output).
When SD_DUP_AV is 1, the AV codes are duplicated (for
16-bit interfaces).
VBI_EN Vertical Blanking Interval Data Enable,
Address 0x03[7]
The VBI enable bit allows data such as intercast and closed
caption data to be passed through the luma channel of the
decoder with a minimal amount of filtering. All data for Line 1
to Line 21 is passed through and available at the output port.
The ADV7183B does not blank the luma data, and auto-
matically switches all filters along the luma data path into their
widest bandwidth. For active video, the filter settings for YSH
and YPK are restored.
Refer to the
202H
BL_C_VBI Blank Chroma During VBI, Address
0x04[2] section for information on the chroma path.
When VBI_EN is 0 (default), all video lines are filtered/scaled.
When VBI_EN is 1, only the active video region is
filtered/scaled.
Y DATA BUS
00
AV
Y
FF
00
00
AV
Y
FF
Cr/Cb DATA BUS
00
00
AV
Cb
FF
00
Cb
AV CODE SECTION
AV CODE SECTION
FF
00
00
AV
Cb
AV CODE SECTION
Cb/Y/Cr/Y
INTERLEAVED
8-BIT INTERFACE
16-BIT INTERFACE
16-BIT INTERFACE
SD_DUP_AV = 1
SD_DUP_AV = 0
0
Figure 19. AV Code Duplication Control
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADV7183BKSTZ | Multiformat SDTV Video Decoder |
| ADV7183KST | Advanced Video Decoder with 10-Bit ADC and Component Input Support |
| AD7183 | Advanced Video Decoder with 10-Bit ADC and Component Input Support |
| ADV7185 | Professional NTSC/PAL Video Decoder with 10-Bit CCIR656 Output |
| ADV7185KST | Professional NTSC/PAL Video Decoder with 10-Bit CCIR656 Output |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7183BKST | 制造商:Analog Devices 功能描述:MULTIFORMAT SDTV VID DECODER 80LQFP - Bulk |
| ADV7183BKSTZ | 功能描述:IC VIDEO DECODER NTSC 80-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7183KST | 制造商:Analog Devices 功能描述:Video Decoder 2ADC 10-Bit 80-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:VIDEO DECODER I.C. - Bulk |
| ADV7184 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder with Fast Switch Overlay Support |
| ADV7184BSTZ | 功能描述:IC DECODER VID SDTV MULTI 80LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
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