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參數(shù)資料
| 型號： | ADV7181BST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | Multiformat SDTV Video Decoder |
| 中文描述： | COLOR SIGNAL DECODER, PQFP64 |
| 封裝： | LEAD FREE, MS-026BCD, LQFP-64 |
| 文件頁數(shù)： | 22/96頁 |
| 文件大?。?/td> | 873K |
| 代理商： | ADV7181BST |
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ADV7181B
SRLS Select Raw Lock Signal, Address 0x51 [6]
Rev. 0 | Page 22 of 96
Using the SRLS bit, the user can choose between two sources for
determining the lock status (per Bits [1:0] in the Status 1 register).
The time_win signal is based on a line-to-line evaluation of
the horizontal synchronization pulse of the incoming
video. It reacts quite quickly.
The free_run signal evaluates the properties of the
incoming video over several fields, and takes vertical
synchronization information into account.
Setting SRLS to 0 (default) selects the free_run signal.
Setting SRLS to 1 selects the time_win signal.
FSCLE Fsc Lock Enable, Address 0x51 [7]
The FSCLE bit allows the user to choose whether the status of
the color subcarrier loop is taken into account when the overall
lock status is determined and presented via Bits [1:0] in Status
Register 1. This bit must be set to 0 when operating the
ADV7181B in YPrPb component mode in order to generate a
reliable HLOCK status bit.
When FSCLE is set to 0 (default), the overall lock status only is
dependent on horizontal sync lock.
When FSCLE is set to 1, the overall lock status is dependent on
horizontal sync lock and Fsc Lock.
CIL[2:0] Count Into Lock, Address 0x51 [2:0]
CIL[2:0] determines the number of consecutive lines for which
the into lock condition must be true before the system switches
into the locked state, and reports this via Status 0 [1:0]. It counts
the value in lines of video.
Table 18. CIL Function
CIL[2:0]
Description
000
1
001
2
010
5
011
10
100 (default)
100
101
500
110
1000
111
100000
COL[2:0] Count Out of Lock, Address 0x51 [5:3]
COL[2:0] determines the number of consecutive lines for which
the out of lock condition must be true before the system
switches into unlocked state, and reports this via Status 0 [1:0].
It counts the value in lines of video.
Table 19. COL Function
COL[2:0]
Description
000
1
001
2
010
5
011
10
100 (default)
100
101
500
110
1000
111
100000
COLOR CONTROLS
These registers allow the user to control picture appearance,
including control of the active data in the event of video being
lost. These controls are independent of any other controls. For
instance, brightness control is independent from picture
clamping, although both controls affect the signal’s dc level.
CON[7:0] Contrast Adjust, Address 0x08 [7:0]
This register allows the user to control contrast adjustment of
the picture.
Table 20. CON Function
CON[7:0]
Description
0x80 (default)
Gain on luma channel = 1.
0x00
Gain on luma channel = 0.
0xFF
Gain on luma channel = 2.
SD_SAT_Cb[7:0] SD Saturation Cb Channel,
Address 0xE3 [7:0]
This register allows the user to control the gain of the Cb
channel only, which in turn adjusts the saturation of the picture.
Table 21. SD_SAT_Cb Function
SD_SAT_Cb[7:0]
Description
0x80 (default)
Gain on Cb channel = 0 dB.
0x00
Gain on Cb channel = 42 dB.
0xFF
Gain on Cb channel = +6 dB.
相關PDF資料 |
PDF描述 |
|---|---|
| ADV7183B | Multiformat SDTV Video Decoder |
| ADV7183BBSTZ | Multiformat SDTV Video Decoder |
| 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 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7181C | 制造商:AD 制造商全稱:Analog Devices 功能描述:10-Bit, Integrated, Multiformat SDTV Video Decoder and RGB Graphics Digitizer |
| ADV7181CBCPZ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADV7181CBCPZ-REEL | 制造商:AD 制造商全稱:Analog Devices 功能描述:10-Bit, Integrated, Multiformat SDTV Video Decoder and RGB Graphics Digitizer |
| ADV7181CBSTZ | 功能描述:IC VIDEO DECODER SDTV RGB 64LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用: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 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7181CBSTZ-REEL | 功能描述:IC VIDEO DECODER SDTV RGB 64LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用: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 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
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