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| 型號： | ADV7180 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 10-Bit, 4 x Oversampling SDTV Video Decoder |
| 中文描述： | 10位，4個采樣標清視頻解碼器 |
| 文件頁數(shù)： | 25/112頁 |
| 文件大小： | 1320K |
| 代理商： | ADV7180 |
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ADV7180
SRLS, Select Raw Lock Signal, Address 0x51 [6]
Using the SRLS bit, the user can choose between two sources for
determining the lock status (per Bits[1:0] in the Status Register 1).
Refer to Figure 16.
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, taking 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, F
SC
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
ADV7180 in YPrPb component mode in order to generate a
reliable HLOCK status bit.
When FSCLE is set to 0 (default), only the overall lock status is
dependent on horizontal sync lock.
When FSCLE is set to 1, the overall lock status is dependent on
horizontal sync lock and F
SC
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]. The bit
counts the value in lines of video.
Rev. A | Page 25 of 112
Table 21. CIL Function
CIL[2:0]
000
001
010
011
100 (default)
101
110
111
Number of Video Lines
1
2
5
10
100
500
1000
100,000
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 the unlocked state and reports this via Status 0 [1:0]. It counts
the value in lines of video.
Table 22. COL Function
COL[2:0]
000
001
010
011
100 (default)
101
110
111
Number of Video Lines
1
2
5
10
100
500
1000
100,000
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 dc level of the signal.
CON[7:0], Contrast Adjust, Address 0x08 [7:0]
This register allows the user to control contrast adjustment of
the picture.
Table 23. CON Function
CON[7:0]
0x80 (default)
0x00
0xFF
Description
Gain on luma channel = 1
Gain on luma channel = 0
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 24. SD_SAT_Cb Function
SD_SAT_Cb[7:0]
0x80 (default)
0x00
0xFF
Description
Gain on Cb channel = 0 dB
Gain on Cb channel = 42 dB
Gain on Cb channel = +6 dB
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相關代理商/技術參數(shù) |
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|---|---|
| ADV7180_12 | 制造商:AD 制造商全稱:Analog Devices 功能描述:10-Bit, 4?? Oversampling SDTV Video Decoder |
| ADV7180BCP32Z | 制造商:Analog Devices 功能描述:10-BIT, 4? OVERSAMPLING SDTV VIDEO DECODER - Trays |
| ADV7180BCP32Z-RL | 制造商:Analog Devices 功能描述:IC |
| ADV7180BCPZ | 功能描述:IC VIDEO DECODER SDTV 40-LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 標準包裝:250 系列:- 類型:電平移位器 應用:LCD 電視機/監(jiān)控器 安裝類型:表面貼裝 封裝/外殼:28-WFQFN 裸露焊盤 供應商設備封裝:28-WQFN（4x4）裸露焊盤 包裝:帶卷 (TR) 其它名稱:296-32523-2TPS65198RUYT-ND |
| ADV7180BCPZ | 制造商:Analog Devices 功能描述:IC VIDEO DECODER 10BIT 57.27MSPS LFCSP40 |
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