参数资料
型号: TVP5031PFP
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP80
封装: POWER, PLASTIC, TQFP-80
文件页数: 11/92页
文件大小: 415K
代理商: TVP5031PFP
2–3
2.2
Digital Processing
Figure 2–2 is a block diagram of the TVP5031 digital video decoder processing. This block receives digitized
composite video signal from the A/D converter and performs Y/C separation, and Y, U/V signal enhancements. It also
generates horizontal and vertical syncs. The Y U/V digital output may be programmed into various formats: 20-bit,
16-bit, 10-bit or 8-bit 4:2:2, and 10-bit or 8-bit ITU-R BT.656 parallel interface standard. This block also retrieves VBI
data and stores it in a FIFO. The data from the FIFO can be read either through the host port or output as ancillary
data on the video port. This block also detects pseudosync pulses, AGC pulses and color striping in copy protected
material in accordance with Macrovision specification.
Output
Formatter
Y[9:0]
OEB
UV[9:0]
GAIN
CH1 A/D
Decimation
Filter
Composite
Analog
Processor
Control
CLAMP CTRL
INPUT MUX
FINE CTRL
Y/C Separation
Luma/Chroma
Processing
VBI Data
Slicer
AVID
Synchronization
VSYN
HSYN
PALI
FID
GLCO
Host
Port
INTREQ
D[7:0]
VC[3:0]
VBI Data Bypass
Y
U/V
XTAL1
Clock Signals
Generation
XTAL2
SCLK
PREF
PCLK
Power Up
Control
TVP5031 DIGITAL PROCESSING
RSTINB
RSTOUTB
A[1:0]
Macrovision
Detection
Figure 2–2. Digital Video Signal Processing Block Diagram
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