参数资料
型号: TVP5041PFP
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: 18/106页
文件大小: 501K
代理商: TVP5041PFP
2–3
2.2
Digital Processing
Figure 2–2 is a block diagram of the TVP5041 digital video decoder processing. This block receives digitized
composite or S-video signals from the A/D converters. It performs Y/C separation, Y, and U/V signal enhancements.
It also generates horizontal and vertical syncs. The Y and U/V digital outputs 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
Decimation
Filter
Mux
CH1 A/D
CH2 A/D
Decimation
Filter
Chroma
Luma
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
TVP5041 DIGITAL PROCESSING
RSTINB
RSTOUTB
Figure 2–2. Digital Video Signal Processing Block Diagram
A[1:0]
Macrovision
Detection
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