參數(shù)資料
型號(hào)： 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(guò)Macrovision（TM）的檢測(cè)
文件頁(yè)數(shù)： 29/92頁(yè)
文件大小： 525K
代理商： TVP5145
2
–
13
SCLK
GLCO
23-Bit Frequency Control
Start Bit
Reset Bit
MSB
>128 SCLK
1 SCLK
7 SCLK
23 SCLK
1 SCLK
LSB
22
21
0
Figure 2
–
22. GLCO Timing
2.4.2
RTC Mode
Figure 2
–
23 shows the timing diagram of the RTC mode. Clock rate for the RTC mode is 4 times slower than the
GLCO clock rate. For PLL frequency control, the upper 22 bits are used. Each frequency control bit is 2 clock cycles
long. The active low reset bit occurs 6 CLKs after the transmission of the last bit of PLL frequency control.
RTC
M
S
B
44 CLK
18 CLK
L
S
B
21
0
6 CLK
128 CLK
22-Bit Fsc Frequency Control
Start
Bit
Reset
Bit
2 CLK
1 CLK
Figure 2
–
23. RTC Timing
2.5
Video Output Format
The TVP5145 device supports both square-pixel and ITU-R BT.601 sampling formats and multiple YCbCr output
formats:
20-/16-bit 4:2:2
10-/8-bit 4:2:2
10-/8-bit ITU-R BT.656
10-bit digital composite output (raw digital data)
NOTE:
16-bit and 8-bit modes use only 8 MSBs of output Y[9:2] and UV[9:2]. Y[1:0] and UV[1:0]
are ignored.
2.5.1
Sampling Frequencies and Patterns
The sampling frequencies that control the number of pixels per line differ depending on the video format and
standards. Table 2
–
1 shows a summary of the sampling frequencies. The TVP5145 device outputs data in the 4:2:2
sampling pattern (see Figure 2
–
24). Every second sample is both a luminance and chrominance sample. The
remainder are luminance-only samples.
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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(chēng):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(chēng):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(kāi)發(fā)工具 TVP5146 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Boards 類(lèi)型:YPbPr to RGBHV Converters 工具用于評(píng)估:LMH1251 工作電源電壓:5 V
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