參數(shù)資料
型號： TVP5031
廠商： Texas Instruments, Inc.
英文描述： NTSC/PAL VIDEO DECODER
中文描述： NTSC / PAL視頻解碼器
文件頁數(shù)： 27/85頁
文件大?。?/td> 378K
代理商： TVP5031
2–11
2.3
Genlock Control
The frequency control word of the internal color subcarrier digital control oscillator (DCO) and the sub-carrier phase
reset bit are transmitted via the GLCO terminal. The frequency control word is a 23-bit binary number. The frequency
of the DCO can be calculated from the following equation:
Fdco
Fctrl
2
23
Fsclk
where F
dco
is the frequency of the DCO, F
ctrl
is the 23-bit DCO frequency control and F
sclk
is the frequency of the
SCLK.
The last bit (bit 0) of the DCO frequency control is always 0 .
A write of 1 to bit 4 of the chrominance control register at the host port sub-address 1Ah causes the sub-carrier DTO
phase reset bit to be sent on the next scan line on GLCO. The active low reset bit occurs 8 SCLKs after the
transmission of the last bit of DCO frequency control. Upon the transmission of the reset bit, the phase of the TVP5031
internal sub-carrier DCO is reset to zero.
A genlocking slave device can be connected to the GLCO terminal and use the information on GLCO to synchronize
its internal color phase DCO to achieve clean line and color lock.
Figure 2–20 shows the timing of GLCO.
SCLK
GLCO
23-Bit frequency control
Start bit
DCO reset
MSB
LSB
>128 SCLK
1
SCLK
1
SCLK
8 SCLK
23 SCLK
Figure 2–20. GLCO Timing
2.4
Video Output Format
The TVP5031 supports both square-pixel and ITU-R BT.601 sampling formats and multiple Y-UV output formats:
20-bit 4:2:2
16-bit 4:2:2
10-bit 4:2:2
8-bit 4:2:2
10-bit ITU-R BT.656
8-bit ITU-R BT.656
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相關代理商/技術參數(shù)
參數(shù)描述
TVP5031CPFP 制造商:TI 制造商全稱:Texas Instruments 功能描述:Color Decoder Circuit
TVP5031PFP 功能描述:IC 9-BIT VIDEO DECODER 80-QFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799
TVP5031TQFP 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL VIDEO DECODER
TVP5040 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL Digital Video Decoder With Macrovision Detection
TVP5040CPFP 功能描述:IC NTSC/PAL VIDEO DECODER 80TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799
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