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參數(shù)資料
| 型號(hào)： | ADV7152 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC(三通道,10位視頻RAM-D/A轉(zhuǎn)換器) |
| 中文描述： | 220兆赫的CMOS真彩色圖形三路10位顯存，數(shù)模轉(zhuǎn)換器（三通道，10位視頻RAM的的D / A轉(zhuǎn)換器） |
| 文件頁(yè)數(shù)： | 16/32頁(yè) |
| 文件大?。?/td> | 322K |
| 代理商： | ADV7152 |
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ADV7152
–23–
REV. B
Variations on RS-343A
Various other video output configurations can be implemented
by the ADV7152, including RS-170. Values of RSET for particu-
lar output video formats/levels are calculated by using the equa-
tions for RSET given in the “Pin Configuration” section. The
table shows calculated values of RSET for some of the most com-
mon variants on the RS-343A standard. The associated wave-
forms are shown in the diagrams.
RSET ( )
Video Signal
265
SYNC decoded on IOG; Pedestal = 0 IRE
280
No
SYNC decoded; Pedestal = 7.5 IRE
259
No
SYNC decoded; Pedestal = 0 IRE
WHITE
LEVEL
IOR, IOB
IOG
mA
V
26.67 1.000
0.698
18.62
00
8.05
0.302
BLACK/BLANK
LEVEL
SYNC
LEVEL
GREY
SCALE
100 IRE
43 IRE
Figure 29. Composite Video Waveform (SYNC
Decoded on IOG; Pedestal = 0 IRE; RSET = 265 )
WHITE LEVEL
BLACK LEVEL
IOR, IOB, IOG
mA
V
19.05
0.714
00
1.44
0.054
BLANK LEVEL
GREY
SCALE
92.5 IRE
7.5 IRE
Figure 30. Composite Video Waveform
(Pedestal = 7.5 IRE; RSET = 280 )
WHITE LEVEL
IOR, IOB, IOG
mA
V
19.05
0.714
00
BLACK/ BLANK
LEVEL
GREY
SCALE
100 IRE
Figure 31. Composite Video Waveform
(Pedestal = 0 IRE; RSET = 259 )
IPLL Synchronization Output Control
This output synchronization signal is used in applications where
it is necessary to synchronize multiple palette devices (ADV7150
+ ADV7151) to subpixel resolution. Each device’s IPLL output
signal is in phase with its analog RGB output signal. If multiple
devices have differing output delays, the time difference can be
derived from the IPLL signals. This time difference is then used,
to phase shift the
CLOCK inputs on one or other of the devices
inputs.
The IPLL signal is internally triggered by either the falling edge
of
SYNC or BLANK as determined by CR21 of Command
Register 2.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| adv7152es | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述: |
| ADV7152KS110 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC) |
| ADV7152KS135 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC) |
| ADV7152KS170 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC) |
| ADV7152KS85 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC) |
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