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參數(shù)資料
| 型號： | TVP5145 |
| 英文描述： | NTSC/PAL/SECAM/Component Digital Video Decoder With Macrovision(TM) Detection |
| 中文描述： | 的NTSC / PAL / SECAM制式/分量數(shù)字視頻解碼器通過Macrovision（TM）的檢測 |
| 文件頁數(shù)： | 34/92頁 |
| 文件大小： | 525K |
| 代理商： | TVP5145 |
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2
–
18
Registers 13h and 14h provide access to stop pixels MSB and LSB, respectively. The vertical AVID cropping is
controlled using the vertical blanking (VBLK) start and stop registers at addresses 18h and 19h. The effects of VBLK
on the video signal is visible on the monitor. This is due to the luma processing during the VBLK period. To disable
this effect set bit 4 of register 7h high. This bypasses the luma processing during the vertical blanking period.
Figure 2
–
29 shows an AVID application.
It is important to realize that the video image is not being re-scaled. Instead, a portion of the active video is made
unavailable by increasing the horizontal blanking within the AVID pulse and by increasing the vertically blanking within
each vertical line.
HSYNC
AVID Start
AVID Stop
V
V
V
AVID Cropped
Area
Active Video Area
Figure 2
–
29. AVID Application
2.6.3
Embedded Syncs
Standards with embedded syncs insert SAV and EAV codes into the datastream on the rising and falling edges of
AVID. These codes contain the V and F bits which also define vertical timing. F and V are software programmable
and change after SAV but before EAV, so that the new value always appears on EAV first. Table 2
–
2 gives the format
of the SAV and EAV codes.
H equals 1 always indicates EAV. H equals 0 always indicates SAV. The alignment of V and F to the line and field
counter varies depending on the standard.
The P bits are protection bits:
P3 = V xor H; P2 = F xor H; P1 = F xor V; P0 = F xor V xor H
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TVP5145EVM | 制造商:Texas Instruments 功能描述:TVP5145EVM - Bulk |
| TVP5145PFP | 功能描述:視頻 IC NTSC/PAL/SECAM/ Comp Dig Vid Dec RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| TVP5146 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL / SECAM 4 X 10 BIT DIGITAL VIDEO DECODER WITH MACROVISION DETECTION YPBPR/RGB INPUTS 5 LINE COMB FILTER AND SCART SUPPORT |
| TVP5146_12 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM 4x10-Bit Digital Video Decoder With Macrovision?￡a Detection, YPbPr/RGB Inputs, 5-Line Comb Filter, and SCART Support |
| TVP5146EVM | 功能描述:視頻 IC 開發(fā)工具 TVP5146 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V |
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