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參數(shù)資料
| 型號： | AD9985A |
| 廠商： | 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 |
| 文件頁數(shù)： | 18/32頁 |
| 文件大?。?/td> | 344K |
| 代理商： | AD9985A |
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AD9985A
Rev. 0 | Page 18 of 32
Hexadecimal
Address
Write and
Read or
Read-Only
Bits
Default
Value
*1******
Register
Name
Function
Bit 6—Clamp Polarity. Valid only with external clamp signal.
(Logic 0 = active high, Logic 1 selects active low.)
Bit 5—Coast Select. Logic 0 selects the COAST input pins to be used
for the PLL coast. Logic 1 selects Vsync to be used for the PLL coast.
Bit 4—Coast Polarity Override. (Logic 0 = polarity determined by
chip, Logic 1 = polarity set by Bit 3 in Register 0x0F.)
Bit 3—Coast Polarity. Selects polarity of external Coast signal
(Logic 0 = active low, Logic 1 = active high).
Bit 2—Seek Mode Override (Logic 1 = allow low power mode,
Logic 0 = disallow low power mode).
Bit 1—PWRDN. Full Chip Power-Down, Active Low (Logic 0 = full chip
power-down, Logic 1 = normal).
Sync-on-Green Threshold. Sets the voltage level of the sync-on-
green slicer’s comparator.
Bit 2—Red Clamp Select. Logic 0 selects clamp to ground. Logic 1
selects clamp to midscale (voltage at Pin 37).
Bit 1—Green Clamp Select. Logic 0 selects clamp to ground. Logic 1
selects clamp to midscale (voltage at Pin 37).
Bit 0— Blue Clamp Select. Logic 0 selects clamp to ground. Logic 1
selects clamp to midscale (voltage at Pin 37).
Sync Separator Threshold. Sets the number of internal 5 MHz clock
periods the sync separator counts to before toggling high or low.
This should be set to some number greater than the maximum Hsync
or equalization pulse width.
Pre-Coast. Sets the number of Hsync periods that Coast becomes
active prior to Vsync.
Post-Coast. Sets the number of Hsync periods that Coast stays active
following Vsync.
Bit 7—Hsync detect. It is set to Logic 1 if Hsync is present on the
analog interface; otherwise it is set to Logic 0.
Bit 6—AHS: Active Hsync. This bit indicates which analog Hsync is
being used (Logic 0 = Hsync input pin, Logic 1 = Hsync from
sync-on-green).
Bit 5—Input Hsync Polarity Detect (Logic 0 = active low,
Logic 1 = active high).
Bit 4—Vsync Detect. It is set to Logic 1 if Vsync is present on the
analog interface; otherwise it is set to Logic 0.
Bit 3—AVS: Active Vsync. This bit indicates which analog Vsync is
being used (Logic 0 = Vsync input pin, Logic 1 = Vsync from
sync separator).
Bit 2—Output Vsync Polarity Detect (Logic 0 = active low,
Logic 1 = active high).
Bit 1—Sync-on-Green Detect. It is set to Logic 1 if sync is present on
the green video input; otherwise it is set to 0.
Bit 0—Input Coast Polarity Detect (Logic 0 = active low,
Logic 1 = active high).
Bits [7:2] Reserved for future use. Must be written to 111111 for
proper operation.
Bit 1—4:2:2 Output Formatting Mode (Logic 0 = 4:2:2 mode,
Logic 1= 4:4:4 mode).
Bit 0—Must be set to 0 for proper operation.
**0*****
***0****
****1***
*****1**
******1*
0x10
R/W
7:3
10111***
Sync-on-Green
Threshold
*****0**
******0*
*******0
0x11
R/W
7:0
00100000
Sync Separator
Threshold
0x12
R/W
7:0
00000000
Pre-Coast
0x13
R/W
7:0
00000000
Post-Coast
0x14
RO
7:0
Sync Detect
0x15
R/W
7:2
111111**
Reserved
1
******1*
Output
Formats
Reserved
0
*******1
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PDF描述 |
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| 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 |
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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: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 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 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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