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參數資料
| 型號： | TVP5158PNP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP128 |
| 封裝： | GREEN, PLASTIC, HTQFP-128 |
| 文件頁數： | 31/108頁 |
| 文件大小： | 1395K |
| 代理商： | TVP5158PNP |
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FFh
00h
XYh
SAV
SC3 SC3 SC2 SC2
Channel Data
SC1 SC1 SC0 SC0
SAV for
encapsulated
frame
Cb
Y
Cr
Y
FFh
00h
XYh
EAV
Start code for
channel data
EAV for
encapsulated
frame
Horizontal Active Period (SAV2EAV)
Horizontal Blanking Interval
64 clock cycles (fixed)
EAV2SAV
Start Code
SLES243E
– JULY 2009 – REVISED MARCH 2011
3.8.3.4
Hybrid Modes
The TVP5158 also supports multiplexing both scaled and unscaled data streams in the line-interleaved
mode. In these hybrid modes (4-Ch Half-D1 + 1-Ch D1, 4-Ch CIF + 1-Ch D1, and 8-Ch CIF + 1-Ch D1),
the D1 line is split into two equal-length half lines and then multiplexed with the other CIF lines. Therefore,
all video data is actually multiplexed by CIF line length. In these hybrid modes, the line cropping mode
affects both the scaled and unscaled data streams. The line cropping mode is controlled by bit 6 of I2C
register B1h.
3.8.3.5
Metadata Insertion for Line-Interleaved Mode
In the line-interleaved mode, the video data is rearranged on a line-by-line basis. There can be no
guaranteed output line order, because all analog video inputs are not synchronized. To be compatible with
general backend BT.656 decoder, the video data is encapsulated on TVP5158 output so that all input data
is preserved and output data is understandable to a BT.656 decoder.
To prevent confusion over image line count and vertical blanking appearing haphazardly, SAV/EAV codes
have FID and V data stripped and replaced with FID = V = 0. Because vertical blanking in the input is
being masked out, artificial vertical sync is inserted every encapsulated frame (a.k.a., super frame). Thus,
to the unaware BT.656 decoder, the stream appears to be progressive data with 2 lines of vertical
blanking. The default super-frame format and timing for each line-interleaved output format is shown in
Table 3-11. Default Super-Frame Format and Timing
OCLK
EAV
SAV
SF HSIZE
SF VSIZE
Video Output Formats
EAV2SAV (bytes)
SAV2EAV (bytes)
(MHz)
(bytes)
Cropping Enable
n/a
1
0
n/a
1
0
n/a
2-Ch D1
54
4
280
248
4
1416
1448
1704
1052
4-Ch D1
108
4
280
248
4
1416
1448
1704
2102
4-Ch Half-D1
54
4
128
112
4
712
728
848
2102
4-Ch CIF
27
4
128
112
4
712
728
848
1054
4-Ch D1 (16-bit)
54
4
136
120
4
708
724
852
2102
4-Ch Half-D1 (16-bit)
27
4
60
52
4
356
364
424
2102
8-Ch Half-D1
108
4
128
112
4
712
728
848
4095
4-Ch Half-D1 + 1-Ch D1
108
4
416
400
4
712
728
1136
3152
4-Ch CIF + 1-Ch D1
54
4
128
112
4
712
728
848
2104
8-Ch CIF + 1-Ch D1
108
4
416
400
4
712
728
1136
3156
4-Byte Start Code (SC3:SC0) is inserted immediately after SAV code for encapsulated frame. Figure 3-15
and Figure 3-16 show the start code details.
Figure 3-15. Start Code in 8-Bit BT.656 Interface
Copyright
2009–2011, Texas Instruments Incorporated
Functional Description
29
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TVP5158PNPR | 功能描述:視頻 IC 4Ch NTSC/PAL Video Decoder 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 |
| TVP5160 | 制造商:Texas Instruments 功能描述:2x10-bit Video Decoder TVP5160 |
| TVP5160_11 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL/SECAM/Component 2x10-Bit Digital Video Decoder |
| TVP5160EVM | 功能描述:視頻 IC 開發工具 TVP5160 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Boards 類型:YPbPr to RGBHV Converters 工具用于評估:LMH1251 工作電源電壓:5 V |
| TVP5160PNP | 功能描述:視頻 IC NTSC/PAL/SECAM/Comp 10B Dig Vid Decoder 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 |
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