參數(shù)資料
型號(hào)： AD9985A
廠(chǎng)商： Analog Devices, Inc.
英文描述： 110 MSPS/140 MSPS Analog Interface for Flat Panel Displays
中文描述： 110 MSPS/140 MSPS的模擬接口的平板顯示器
文件頁(yè)數(shù)： 16/32頁(yè)
文件大?。?/td> 344K
代理商： AD9985A
AD9985A
COAST TIMING
In most computer systems, the Hsync signal is provided
continuously on a dedicated wire. In these systems, the Coast
input and function are unnecessary and should not be used, and
the pin should be permanently connected to the inactive state.
Rev. 0 | Page 16 of 32
In some systems, however, Hsync is disturbed during the
vertical sync period (Vsync). In some cases, Hsync pulses
disappear. In other systems, such as those that use composite
sync (Csync) signals or embedded sync-on-green (SOG), Hsync
includes equalization pulses or other distortions during Vsync.
To avoid upsetting the clock generator during Vsync, it is
important to ignore these distortions. If the pixel clock PLL
detects extraneous pulses, it attempts to lock to this new
frequency, and changes frequency by the end of the Vsync
period. It then takes a few lines of correct Hsync timing to
recover at the beginning of a new frame, resulting in a tearing of
the image at the top of the display.
The Coast input is provided to eliminate this problem. It is an
asynchronous input that disables the PLL input and allows the
clock to free-run at its then-current frequency. The PLL can
free-run for several lines without significant frequency drift.
.
P0
P1
P2
P3
P4
P5
P6
P7
5-PIPE DELAY
D0
D1
D2
D3
D4
D5
D6
D7
RGB
IN
HSYNC
PxCK
HS
ADCCK
DATACK
D
OUTA
HSOUT
VARIABLE DURATION
0
Figure 10. 4:4:4 Mode (For RGB and YUV)
P0
P1
P2
P3
P4
P5
P6
P7
5-PIPE DELAY
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
RGB
IN
HSYNC
PxCK
HS
ADCCK
DATACK
G
OUTA
HSOUT
U0
V1
U2
V3
U4
V5
U6
V7
R
OUTA
VARIABLE DURATION
0
Figure 11. 4:2:2 Mode (For YUV Only)
相關(guān)PDF資料
PDF描述
AD9985ABSTZ-110 110 MSPS/140 MSPS Analog Interface for Flat Panel Displays
AD9985AKSTZ-110 110 MSPS/140 MSPS Analog Interface for Flat Panel Displays
AD9985AKSTZ-140 110 MSPS/140 MSPS Analog Interface for Flat Panel Displays
AD9985BSTZ-110 110 MSPS/140 MSPS Analog Interface for Flat Panel Displays
AD9985 110 MSPS/140 MSPS Analog Interface for Flat Panel Displays
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD9985A/PCB 制造商:AD 制造商全稱(chēng):Analog Devices 功能描述:110 MSPS/140 MSPS Analog Interface for Flat Panel Displays
AD9985A/PCBZ 功能描述:KIT EVALUATION FOR AD9985A RoHS:是 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:Advantiv® 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板
AD9985AABSTZ-110 制造商:Analog Devices 功能描述:ANALOG INTERFACE FOR FLAT PANEL DISPLAYS - Bulk
AD9985AAKSTZ-110 制造商:Analog Devices 功能描述:ANALOG INTERFACE FOR FLAT PANEL DISPLAYS - Bulk
AD9985AAKSTZ-140 制造商:Analog Devices 功能描述:ANALOG INTERFACE FOR FLAT PANEL DISPLAYS - Bulk
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