參數(shù)資料
型號(hào)： ADV7189
廠商： Analog Devices, Inc.
英文描述： Multiformat SDTV Video Decoder
中文描述： 標(biāo)清多格式視頻解碼器
文件頁(yè)數(shù)： 47/104頁(yè)
文件大小： 890K
代理商： ADV7189
ADV7189
Rev. A | Page 47 of 104
0
ADVANCE BEGIN OF
VSYNC BY NVBEG[4:0]
DELAY BEGIN OF
VSYNC BY NVBEG[4:0]
VSYNC BEGIN
NVBEGSIGN
ODD FIELD
0
1
NO
YES
NVBEGDELO
VSBHO
ADDITIONAL
DELAY BY
1 LINE
ADVANCE BY
0.5 LINE
1
0
1
0
NVBEGDELE
VSBHE
ADDITIONAL
DELAY BY
1 LINE
ADVANCE BY
0.5 LINE
1
0
1
0
NOT VALID FOR USER
PROGRAMMING
Figure 23. NTSC VSync Begin
NVBEGDELO NTSC VSync Begin Delay on Odd Field,
Address 0xE5, [7]
Table 111. NVBEGDELO Function
NVBEGDELO
Description
0*
No Delay.
1
Delay VSync going high on an odd field by a line
relative to NVBEG.
*Default value.
NVBEGDELE NTSC Vsync Begin Delay on Even Field,
Address 0xE5, [6]
Table 112. NVBEGDELE Function
NVBEGDELE
Description
0*
No Delay.
1
Delay VSync going high on an even field by a
line relative to NVBEG.
*Default value.
NVBEGSIGN NTSC VSync Begin Sign, Address 0xE5, [5]
Table 113. NVBEGSIGN Function
NVBEGSIGN
Description
0
Delay start of VSync. Set for user manual
programming.
1*
Advance start of VSync. Not recommended for
user programming.
*Default value.
NVBEG[4:0] NTSC VSync Begin, Address 0xE5, [4:0]
Table 114. NVBEG Function
NVBEG
Description
00101*
NTSC VSync begin position.
*Default value.
Note: For all NTSC/PAL VSync timing controls, both the V bit
in the AV code and the VSync on the VS pin are modified.
0
ADVANCE END OF
VSYNC BY NVEND[4:0]
DELAY END OF VSYNC
BY NVEND[4:0]
VSYNC END
NVENDSIGN
ODD FIELD
0
1
NO
YES
NVENDDELO
VSEHO
ADDITIONAL
DELAY BY
1 LINE
ADVANCE BY
0.5 LINE
1
0
1
0
NVENDDELE
VSEHE
ADDITIONAL
DELAY BY
1 LINE
ADVANCE BY
0.5 LINE
1
0
1
0
NOT VALID FOR USER
PROGRAMMING
Figure 24. NTSC VSync End
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ADV7189B 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder
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