參數(shù)資料
型號(hào)： TVP5156PNP
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP128
封裝： GREEN, PLASTIC, HTQFP-128
文件頁(yè)數(shù)： 34/108頁(yè)
文件大?。?/td> 1395K
代理商： TVP5156PNP
SLES243E
– JULY 2009 – REVISED MARCH 2011
Table 3-13. Bit Field Definition of 4-Byte Start Code for Active Video Line (continued)
BIT
NAME
FUNCTION
Two MSBs of 9-bit Line ID, active video line number. Line counter resets to 000h at beginning of active
[17:16]
LN_ID[8:7]
video (i.e., resets once per field). During the vertical blanking interval, the line counter may either continue
counting or hold the terminal count determined at the end of active video.
15
~LN_ID[6]
Always set to the complement of bit 14 (LN_ID[6]).
Seven LSBs of 9-bit Line ID, active video line number. Line counter resets to 000h at beginning of active
[14:8]
LN_ID[6:0]
video (i.e., resets once per field). During the vertical blanking interval, the line counter may either continue
counting or hold the terminal count determined at the end of active video.
7
1
Always set to 1.
F-bit
6
F
0: First field of frame
1: Second field of frame
V-bit
5
V
0: when not in vertical blanking
1: during vertical blanking
H-bit. Always set to 0.
4
H
0: SAV
1: EAV (never used)
3
P3
P3 = V XOR H, Protection bits used for error detection/correction
2
P2
P2 = F XOR H, Protection bits used for error detection/correction
1
P1
P1 = F XOR V, Protection bits used for error detection/correction
0
P0
P0 = F XOR V XOR H, Protection bits used for error detection/correction
NOTE
For line-interleaved output mode, if none of video decoder channels has the data ready at a
given time, TVP5158 outputs the dummy line until any one of video decoder channels is
ready to output a line. The backend chip needs to keep only the active video line and ignore
the dummy line.
The start code of the dummy line is different with active video line. Table 3-14 shows the bit assignment
and field definition of 4-Byte start code for the Dummy Line.
Table 3-14. Bit Assignment of 4-Byte Start Code for the Dummy Line
BYTE
7
6
5
4
3
2
1
0
SC[3]
0
1
SC[2]
0
1
SC[1]
0
1
SC[0]
0
1
NOTE
The Dummy Line can be distinguished from active video line by looking at the MSB of byte
SC[0].
Copyright
2009–2011, Texas Instruments Incorporated
Functional Description
31
Product Folder Link(s): TVP5158 TVP5157 TVP5156
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TVP5157PNP 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
TVP5157PNPR 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
TVP5158 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:With Independent Scalers, Noise Reduction, Auto Contrast, and Flexible Output Formatter for Security and Other Multi-Channel Video Applications
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