参数资料
型号: ADV7184BSTZ
厂商: Analog Devices Inc
文件页数: 57/112页
文件大小: 0K
描述: IC DECODER VID SDTV MULTI 80LQFP
标准包装: 1
类型: 视频解码器
应用: 投影仪,录音机,安全
电压 - 电源,模拟: 3.15 V ~ 3.45 V
电压 - 电源,数字: 1.65 V ~ 2 V
安装类型: 表面贴装
封装/外壳: 80-LQFP
供应商设备封装: 80-LQFP(14x14)
包装: 托盘
ADV7184
Rev. A | Page 49 of 112
05
47
9-
029
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 29. NTSC Vsync Begin
NVBEGDELO, NTSC Vsync Begin Delay on Odd Field,
Address 0xE5 [7]
0 (default)—No delay.
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]
0 (default)—No delay.
1—Delays vsync going high on an even field by a line relative
to NVBEG.
NVBEGSIGN, NTSC Vsync Begin Sign, Address 0xE5 [5]
0—Delays the start of vsync. Set for user manual programming.
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 on the VS pin are
modified.
05
47
9-
030
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 30. NTSC Vsync End
NVENDDELO, NTSC Vsync End Delay on Odd Field,
Address 0xE6 [7]
0 (default)—No delay.
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]
0 (default)—No delay.
1—Delays vsync from going low on an even field by a line
relative to NVEND.
NVENDSIGN, NTSC Vsync End Sign, Address 0xE6 [5]
0 (default)—Delays the end of vsync. Set for user manual
programming.
1—Advances the end of vsync. Not recommended for user
programming.
NVEND [4:0], NTSC Vsync End, Address 0xE6 [4:0]
The default value of NVEND is 00100, indicating the NTSC
vsync end position.
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