參數(shù)資料
型號(hào)： TVP5020PFC
文件頁(yè)數(shù)： 9/89頁(yè)
文件大小： 376K
代理商： TVP5020PFC
1–1
1 Introduction
The TVP5020 is a high-quality single-chip digital video decoder that converts base-band analog NTSC and
PAL video signals into digital component video. Both composite and S-video are supported. Sampling is
square-pixel or ITU-R BT.601 (13.5 MHz) and is line-locked for correct pixel alignment. The output formats
can be 8-bit or 16-bit 4:2:2, 12-bit 4:1:1, or 8-bit ITU-R BT.656. The TVP5020 uses TI patented technology
for locking to weak, noisy, or unstable signals. A genlock control output is generated for synchronizing
downstream video encoders.
Two-line (1-H delay) comb filtering is available for both the luma and chroma data paths to reduce both
cross-luma and cross-chroma artifacts; a chroma trap filter is also available. Video characteristics including
hue, contrast, and saturation are programmable using one of five supported host port interfaces. The
TVP5020 generates synchronization, blanking, field, lock, and clock signals in addition to digital video
outputs.
The TVP5020 includes advanced vertical blanking interval (VBI) data retrieval. The VBI data processor
slices, parses, and performs error checking on teletext data in several formats. A built-in FIFO stores up to
14 lines of teletext data and, with proper host port synchronization, full-field teletext retrieval is possible. The
VBI data processor also retrieves closed-caption data.
The main blocks of TVP5020 include:
Analog processors and A/D converters
Y/C separation
Chrominance processor
Luminance processor
Clock/Timing processor and power-down control
Output formatter
Host port interface
VBI data processor
1.1
Features
NTSC (M) and PAL (B, D, G, H, I, M, N) composite video, S-video
Four analog video inputs for up to 4 composite inputs or 2 S-video inputs
Two built-in-analog signal processing channels with clamping and AGC
Dual high speed 8-bit A/D converters
Patented architecture for locking to weak, noisy, or unstable signals
Comb filters for both cross-color and cross-luminance noise reductions
Line locked clock and sampling
Programmable data rates:
–
12.2727 MHz square-pixel (NTSC)
–
14.7500 MHz square-pixel (PAL)
–
13.5 MHz ITU-R BT.601 (NTSC and PAL)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TVP5020TQFP 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL VIDEO DECODER
TVP5021PFP 功能描述:視頻 IC NTSC/PAL DIGITAL VIDEO DECODER 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
TVP5021PFPG4 功能描述:視頻 IC NTSC/PAL DIGITAL VIDEO DECODER 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
TVP5031 制造商:TI 制造商全稱:Texas Instruments 功能描述:NTSC/PAL VIDEO DECODER
TVP5031CPFP 制造商:TI 制造商全稱:Texas Instruments 功能描述:Color Decoder Circuit
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