參數(shù)資料
型號: TVP5031TQFP
廠商: Texas Instruments, Inc.
英文描述: NTSC/PAL VIDEO DECODER
中文描述: NTSC / PAL視頻解碼器
文件頁數(shù): 19/85頁
文件大?。?/td> 378K
代理商: TVP5031TQFP
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.
OUTPUT
FORMATTER
Y[9:0]
UV[9:0]
OEB
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
VSYN
HSYN
PALI
FID
GLCO
SYNCHRONIZATION
HOST
PORT
INTREQ
D[7:0]
VC[3:0]
A[1:0]
VBI DATA BYPASS
Y
U/V
XTAL1
XTAL2
SCLK
PCLK
CLOCK SIGNAL
GENERATION
PREF
POWER UP
CONTROL
TVP5031 DIGITAL PROCESSING
RSTINB
RSTOUTB
Figure 2–2. Digital Video Signal Processing Block Diagram
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TVP5031CPFP Color Decoder Circuit
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