參數(shù)資料
型號(hào)： TVP70025IPZP
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝： GREEN, PLASTIC, HTQFP-100
文件頁(yè)數(shù)： 15/59頁(yè)
文件大小： 519K
代理商： TVP70025IPZP
SLES232B
– JUNE 2008 – REVISED MAY 2011
The insertion location of the SAV/EAV codes on a video line is programmable using the AVID start/stop pixel
values located at subaddresses 40h through 43h.
NOTE
When enabled (bit 0 of subaddress 15h), embedded syncs are present in both the Y and
C outputs.
Output Range Limits
The TVP70025I provides selectable output range limits in I2C subaddress 15h:
00 = RGB coding range (Y, Cb, and Cr range from 0 to 1023) (default)
01 = Extended coding range (Y, Cb, and Cr range from 4 to 1019)
10 = ITU-R BT.601 coding range (Y ranges from 64 to 940, Cb and Cr range from 64 to 960)
11 = Reserved
NOTE
RGB coding range not allowed with embedded syncs.
Power Management
The TVP70025I supports both automatic and manual power-down modes. The automatic power-down mode can
be selected by setting bit 2 of subaddress 0Fh to logic 0.
In the automatic power-down mode, the TVP70025I powers down the ADCs, the ADC reference, and horizontal
PLL when activity is not detected on both the selected HSYNC input and the selected SOG input (VSYNC is no
longer used). The TVP70025I restores power whenever activity is detected on either the selected HSYNC input
or the selected SOG input.
The TVP70025I also can be placed in power-down mode via the active-high PWDN input (pin 70). When the
PWDN input is driven high, the TVP70025I powers down everything including the I2C interface, and the digital
outputs are not placed in a high-impedance mode.
The TVP70025I also can be placed in a power-down mode using bit 1 of register 0Fh.
Individual blocks of the TVP70025I can be independently powered down using register 2Bh.
22
Copyright
2008–2011, Texas Instruments Incorporated
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TVP9000MZDSR 制造商:Texas Instruments 功能描述:
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