参数资料
型号: ADV7180WBCPZ
厂商: Analog Devices Inc
文件页数: 63/116页
文件大小: 0K
描述: IC VIDEO DECODER SDTV 40LFCSP
标准包装: 1
类型: 视频解码器
应用: 数码相机,手机,便携式视频
安装类型: 表面贴装
封装/外壳: 40-VFQFN 裸露焊盘,CSP
供应商设备封装: 40-LFCSP-VQ(6x6)
包装: 托盘
ADV7180
Data Sheet
Rev. I | Page 50 of 116
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
1LINE
ADVANCE BY
0.5 LINE
1
0
1
0
NVBEGDELE
VSBHE
ADDITIONAL
DELAY BY
1LINE
ADVANCE BY
0.5 LINE
1
0
1
0
NOT VALID FOR USER
PROGRAMMING
05
70
0-
0
31
Figure 40. NTSC VSYNC Begin
NVBEGDELO, NTSC VSYNC Begin Delay on Odd Field,
Address 0xE5[7]
When NVBEGDELO is 0 (default), there is no delay.
Setting NVBEGDELO to 1 delays VSYNC going high on an odd
field by a line relative to NVBEG.
NVBEGDELE, NTSC VSYNC Begin Delay on Even Field,
Address 0xE5[6]
When NVBEGDELE is 0 (default), there is no delay.
Setting NVBEGDELE to 1 delays VSYNC going high on an
even field by a line relative to NVBEG.
NVBEGSIGN, NTSC VSYNC Begin Sign, Address 0xE5[5]
Setting NVBEGSIGN to 0 delays the start of VSYNC. Set for
user manual programming.
Setting NVBEGSIGN to 1 (default) advances the start of
VSYNC (not recommended for user programming).
NVBEG[4:0], NTSC VSYNC Begin, Address 0xE5[4:0]
The default value of NVBEG is 00101, indicating the NTSC
VSYNC begin position.
For all NTSC/PAL VSYNC timing controls, both the V bit in
the AV code and the VSYNC signal on the VS pin are modified.
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
1LINE
ADVANCE BY
0.5 LINE
1
0
1
0
NVENDDELE
VSEHE
ADDITIONAL
DELAY BY
1LINE
ADVANCE BY
0.5 LINE
1
0
1
0
NOT VALID FOR USER
PROGRAMMING
05
70
0-
0
32
Figure 41. NTSC VSYNC End
NVENDDELO, NTSC VSYNC End Delay on Odd Field,
Address 0xE6[7]
When NVENDDELO is 0 (default), there is no delay.
Setting NVENDDELO to 1 delays VSYNC from going low on
an odd field by a line relative to NVEND.
NVENDDELE, NTSC VSYNC End Delay on Even Field,
Address 0xE6[6]
When NVENDDELE is set to 0 (default), there is no delay.
Setting NVENDDELE to 1 delays VSYNC from going low on an
even field by a line relative to NVEND.
NVENDSIGN, NTSC VSYNC End Sign, Address 0xE6[5]
Setting NVENDSIGN to 0 (default) delays the end of VSYNC.
Set for user manual programming.
Setting NVENDSIGN to 1 advances the end of VSYNC (not
recommended for user programming).
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