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| 型號： | TVP5156PNP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | COLOR SIGNAL DECODER, PQFP128 |
| 封裝： | GREEN, PLASTIC, HTQFP-128 |
| 文件頁數(shù)： | 74/108頁 |
| 文件大?。?/td> | 1395K |
| 代理商： | TVP5156PNP |
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SLES243E
– JULY 2009 – REVISED MARCH 2011
Table 4-57. Blue Screen LSB Control
Subaddress
93h
Default
00h
7
6
5
4
3
2
1
0
Reserved
Y value LSB [1:0]
Cb value LSB [1:0]
Cr value LSB [1:0]
The two LSBs for the Blue screen Y, Cb, and Cr values are represented in this register.
Table 4-58. Noise Measurement
Subaddress
94h-95h
Default
Read Only
Subaddress
7
6
5
4
3
2
1
0
94h
Noise Measurement [7:0]
95h
Noise Measurement [15:8]
Noise measurement[15:0]
Used by the weak signal detection algorithm.
Since this register is a double byte register it is necessary to "capture" the setting into the register to ensure that the value is not
updated between reading the lower and upper bytes. In order to cause this register to "capture" the current settings bit 0 of I2C
register 24h (status request) should be set to a 1. Once the internal processor has updated this register bit 0 of register 24h will be
cleared, indicating that both bytes of the noise measurement register have been updated and can be read. Either byte may be read
first since no further update will occur until bit 0 of 24h is set to 1 again.
Table 4-59. Weak Signal High Threshold
Subaddress
96h
Default
60h
7
6
5
4
3
2
1
0
Level [7:0]
This register controls the upper threshold of the noise measurement used to determine whether the input signal should be considered a
weak signal.
Table 4-60. Weak Signal Low Threshold
Subaddress
97h
Default
50h
7
6
5
4
3
2
1
0
Level [7:0]
This register controls the lower threshold of the noise measurement used to determine whether the input signal should be considered a
weak signal.
68
Internal Control Registers
Copyright
2009–2011, Texas Instruments Incorporated
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參數(shù)描述 |
|---|---|
| TVP5156PNPR | 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 |
| 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: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 |
| TVP5158EVM | 功能描述:視頻 IC 開發(fā)工具 TVP5158 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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