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參數(shù)資料
| 型號： | TVP6000CPFP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | COLOR SIGNAL ENCODER, PQFP80 |
| 封裝： | POWER, PLASTIC, TQFP-80 |
| 文件頁數(shù)： | 17/57頁 |
| 文件大?。?/td> | 268K |
| 代理商： | TVP6000CPFP |
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2–12
For cost-sensitive consumer applications, passive low-pass filters are recommended. Figure 2–13
illustrates the termination of the output DACs. An external analog filter, as shown in the figure, is also
required.
To 75-
Cable
CVBS/Y/C
75
TVP6000
1
H
2.7
H
0.7
H
470 pF
330 pF
56 pF
Figure 2–13. Output Filter
2.9
Video Port Interface
The TVP6000 provides a highly flexible video port interface, which users can tailor to fit their target
applications. The video port interface consists of four raster controls: RCV1, RCV2, RCM1, and RCM2, an
8-bit or 16-bit pixel port: VP1 and/or VP2, and two clock related signals: LLC and CREF.
2.9.1
RCV1
When scan conversion is disabled (SCN reset to 0), RCV1 can be programmed as an input or an output.
When RCV1 is used as an input, RCV1 can be programmed to receive vertical sync, frame sync, or
sequence sync. At the same time, RCV1 can optionally be selected as the source of horizontal sync. The
TVP6000 maintains three counters internally; horizontal counter, vertical counter, and field counter in order
to generate correct timing for encoding. The horizontal sync input re-triggers the horizontal counter by
resetting the horizontal counter to a preset value defined by the HTRIGGER0 and HTRIGGER1 registers.
Similarly, the vertical sync input re-triggers the vertical counter by resetting the vertical counter to a preset
value defined by the VTRIGGER0 and VTRIGGER1 registers. The frame sync input forces the field to be
the odd field. The sequence sync resets the field to be the first field of the field sequence.
When RCV1 is used as an output, RCV1 can be programmed to generate either vertical sync, frame sync,
or sequence sync.
When scan-conversion is enabled (SCN =1), the demand mode video port interface is activated and RCV
is output only and operates as the new frame indicator.
The polarity of RCV1 is programmable. Refer to the description of the SYN_CTRL0 register for details.
2.9.2
RCV2
When scan conversion is disabled, the RCV2 pin can be programmed as an input or an output.
When RCV2 is used as an input, RCV2 can be used as the horizontal sync based on the HSINSEL bit of
the SYN_CTRL0 register. RCV2 is used as the blanking signal if the CBLFV2 bit of the SYN_CTRL0 register
is set to 1, regardless whether or not RCV2 has been selected as the horizontal sync.
When scan-conversion is enabled, the demand mode video port interface is activated and RCV2 is output
only and operates as the new line indicator.
Similar to RCV1, the polarity of RCV2 is programmable. Refer to the description of the SYN_CTRL0 register
for details.
2.9.3
RCM1
RCM1 is always an output. This pin may be programmed to output either vertical sync, frame sync, or
sequence sync. Unlike RCV1 and RCV2, the polarity of RCM1 is not programmable. Refer to the description
of the RCM_L21 register for details.
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| TVP7000 | 制造商:Texas Instruments 功能描述:Triple 8-bit Digitizer 150MSPS TVP7000 |
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| TVP7000PZP | 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 Triple 8/10B 150/110 MSPS Video ADC RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel |
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