參數(shù)資料
型號(hào)： TVP5158PNPR
廠商： TEXAS INSTRUMENTS INC
元件分類： 顏色信號(hào)轉(zhuǎn)換
英文描述： COLOR SIGNAL DECODER, PQFP128
封裝： GREEN, PLASTIC, HTQFP-128
文件頁(yè)數(shù)： 2/108頁(yè)
文件大小： 1395K
代理商： TVP5158PNPR
SLES243E
– JULY 2009 – REVISED MARCH 2011
1.2
Applications
Security/surveillance digital video recorders/servers and PCI products
Automotive infotainment video hub
Large format video wall displays
Game systems
1.3
Related Products
TVP5154A
TVP5150AM1
TVP5146M2
TVP5147M1
1.4
Trademarks
DaVinci, PowerPAD are trademarks of Texas Instruments.
Macrovision is a trademark of Macrovision Corporation.
Other trademarks are the property of their respective owners.
1.5
Document Conventions
Throughout this data manual, several conventions are used to convey information. These conventions are
as follows:
To identify a binary number or field, a lower case b follows the numbers. For example: 000b is a 3-bit
binary field.
To identify a hexadecimal number or field, a lower case h follows the numbers. For example: 8AFh is a
12-bit hexadecimal field.
All other numbers that appear in this document that do not have either a b or h following the number
are assumed to be decimal format.
If the signal or terminal name has a bar above the name (for example, RESETB), then this indicates
the logical NOT function. When asserted, this signal is a logic low, 0, or 0b.
RSVD indicates that the referenced item is reserved.
1.6
Description
The TVP5158, TVP5157, and TVP5156 devices are 4-channel, high-quality NTSC/PAL video decoder that
digitizes and decodes all popular base-band analog video formats into digital video output. Each channel
of this decoder includes 10-bit 27-MSPS A/D converter (ADC). Preceding each ADC in the device, the
corresponding analog channel contains an analog circuit that clamps the input to a reference voltage and
applies the gain.
Composite input signal is sampled at 2x the ITU-R BT.601 clock frequency, line-locked alignment, and is
then decimated to the 1x pixel rate. CVBS decoding uses five-line adaptive comb filtering for both the
luma and chroma data paths to reduce both cross-luma and cross-chroma artifacts. A chroma trap filter is
also available. On CVBS inputs, the user can control video characteristics such as contrast, brightness,
saturation, and hue via an I2C host port interface. Furthermore, luma peaking (sharpness) with
programmable gain is included.
All 4 channels are independently controllable. These decoders share a single clock input for all channels
and for all supported standards.
10
Introduction
Copyright
2009–2011, Texas Instruments Incorporated
Product Folder Link(s): TVP5158 TVP5157 TVP5156
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PDF描述
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