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參數(shù)資料
| 型號： | GM5110 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | XGA/SXGA LCD Controller |
| 中文描述： | 的XGA / SXGA LCD控制器 |
| 文件頁數(shù)： | 28/51頁 |
| 文件大?。?/td> | 1379K |
| 代理商： | GM5110 |
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***
Genesis Microchip Confidential ***
gm5110/20 Preliminary Data Sheet
June 2002
21
C5110-DAT-01C
4.4.2 DVI Capture Window
DE (Display Enable), HSYNC and VSYNC are synthesized internally by examining the
active regions of each line and compensating for possible source timing errors and/or
embedded HSYNC / VSYNC jitter.
There are two ways to define the DVI capture region:
CREF Capture
- In this mode the usual active window parameters must be programmed as
with ADC inputs (see Section 4.3.5.).
DE Capture
- In this mode the active window code embedded in the DVI signal defines the
active window automatically. Only the active width and active length parameters obtained
by performing Input Format Measurement (IFM) need be programmed.
4.4.3 HDCP (High-Bandwidth Digital Content Protection)
The HDCP system allows authentication of a video receiver by a video transmitter,
decryption of transmitter-encoded video data by the receiver, and periodic renew-ability of
authentication during transmission. The gm5110/20 implements circuitry to allow full
support of the HDCP 1.0 protocol for DVI inputs.
For enhanced security, Genesis provides a means of storing and accessing the secret key
given to individual monitor units in an encrypted format. To use HDCP it is necessary to
obtain the HDCP key encryption tool, called Gencrypt, from Genesis. Gencrypt will only be
made available to HDCP licensed customers.
Further details of the protocol and theory of the system can be found in the
High-bandwidth
Digital Content Protection System
specification (see
www.digital-cp.com)
.
Note that this section applies to the HDCP enabled chip versions gm5110-H and gm5120-H
but not the standard versions gm5110 and gm5120.
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The gm5110/20 contains hundreds of test patterns, some of which are shown in Figure 13.
Once programmed, the gm5110/20 test pattern generator can replace a video source (e.g. a
PC) during factory calibration and test. This simplifies the test procedure and eliminates the
possibility of image noise being injected into the system from the source. The foreground and
background colors are programmable. In addition, the gm5110/20 OSD controller can be
used to produce other patterns.
Figure 13.
Some of gm5110/20 built-in test patterns
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| GM5110-H | XGA/SXGA LCD Controller |
| GM5120 | XGA/SXGA LCD Controller |
| GM5120-H | XGA/SXGA LCD Controller |
| GM2126 | ANALOG INTERFACE ONPANEL SXGA LCD CONTROLLER WITH RSDS TRANSMITTER |
| GM5115 | ONPANEL LCD PANEL CONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| GM5110-H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:XGA/SXGA LCD Controller |
| GM5115 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ONPANEL LCD PANEL CONTROLLER |
| GM5115-H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ONPANEL LCD PANEL CONTROLLER |
| GM5120 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:XGA/SXGA LCD Controller |
| GM5120-H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:XGA/SXGA LCD Controller |
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