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参数资料
| 型号： | AD9887AKSZ-170 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 28/40页 |
| 文件大小： | 0K |
| 描述： | IC INTRFACE ANALOG/DVI 160-MQFP |
| 标准包装： | 24 |
| 应用： | 图形卡，VGA 接口 |
| 接口： | 模拟和数字 |
| 电源电压： | 3.15 V ~ 3.45 V |
| 封装/外壳： | 160-BQFP |
| 供应商设备封装： | 160-MQFP（28x28） |
| 包装： | 托盘 |
| 安装类型： | 表面贴装 |
| 产品目录页面： | 788 (CN2011-ZH PDF) |
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REV. 0
–34–
AD9887
Table XXXVI. Active VSYNC Results
Bit 5
(VSYNC
Detect)
Override
AVS
00
0
10
1
X
1
Bit 2 in 12H
AVS = 1 means Sync separator.
AVS = 0 means VSYNC input.
The override bit is in Register 12H, Bit 3.
12
7
AIO—Active Interface Override
This bit is used to override the automatic interface selec-
tion (Bit 3 in Register 11H). To override, set this bit to
Logic 1. When overriding, the active interface is set via
Bit 6 in this register.
Table XXXVII. Active Interface Override Settings
AIO
Result
0
Autodetermines the Active Interface
1
Override, Bit 6 Determines the Active Interface
The default for this register is 0.
12
6
AIS—Active Interface Select
This bit is used under two conditions. It is used to select
the active interface when the override bit is set (Bit 7).
Alternately, it is used to determine the active interface
when not overriding but both interfaces are detected.
Table XXXVIII. Active Interface Select Settings
AIS
Result
0
Analog Interface
1
Digital Interface
The default for this register is 0.
12
5
Active Hsync Override
This bit is used to override the automatic Hsync selection
(Bit 2 in Register 11H). To override, set this bit to Logic
1. When overriding, the active Hsync is set via Bit 4 in
this register.
Table XXXIX. Active Hsync Override Settings
Override
Result
0
Autodetermines the Active Interface
1
Override, Bit 4 Determines the Active Interface
The default for this register is 0.
12
4
Active Hsync Select
This bit is used under two conditions. It is used to select
the active Hsync when the override bit is set (Bit 5). Alter-
nately, it is used to determine the active Hsync when not
overriding but both Hsyncs are detected.
Table XL. Active HSYNC Select Settings
Select
Result
0
HSYNC Input
1
Sync-on-Green Input
The default for this register is 0.
12
3
Active VSYNC Override
This bit is used to override the automatic VSYNC selection
(Bit 1 in Register 11H). To override, set this bit to Logic 1.
When overriding, the active interface is set via Bit 2 in
this register.
Table XLI. Active VSYNC Override Settings
Override
Result
0
Autodetermines the Active VSYNC
1
Override, Bit 2 Determines the Active VSYNC
The default for this register is 0.
12
2
Active VSYNC Select
This bit is used to select the active VSYNC when the
override bit is set (Bit 3).
Table XLII. Active VSYNC Select Settings
Select
Result
0
VSYNC Input
1
Sync Separator Output
The default for this register is 0.
12
1
COAST Select
This bit is used to select the active COAST source. The
choices are the COAST input pin or VSYNC. If VSYNC
is selected, the additional decision of using the VSYNC
input pin or the output from the sync separator needs to
be made (Bits 3, 2).
Table XLIII. COAST Select Settings
Select
Result
0
COAST Input Pin
1
VSYNC (See Above Text)
The default for this register is 0.
12
0
PWRDN
This bit is used to put the chip in full power-down. This
powers down both interfaces. See the section on Power
Management for details of which blocks are actually
powered down. Note, the chip will be unable to detect
incoming activity while fully powered-down.
Table XLIV. Power-Down Settings
Select
Result
0
Power-Down
1
Normal Operation
The default for this register is 1.
OBSOLETE
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9887AKSZ-170 | 制造商:Analog Devices 功能描述:IC DUAL DISPLAY INTERFACE |
| AD9887AKSZ-1701 | 制造商:AD 制造商全称:Analog Devices 功能描述:Dual Interface for Flat Panel Display |
| AD9887APCB | 制造商:AD 制造商全称:Analog Devices 功能描述:Dual Interface for Flat Panel Displays |
| AD9887KS-100 | 制造商:Analog Devices 功能描述:Interface for Flat Panel Display 160-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:DUAL A/D INTERFACE FOR FLAT PANEL - Bulk |
| AD9887KS-140 | 制造商:Analog Devices 功能描述:Interface for Flat Panel Display 160-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:DUAL A/D INTERFACE FOR FLAT PANEL - Bulk 制造商:Analog Devices 功能描述:IC INTERFACE DUAL DISPLAY |
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