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參數(shù)資料
| 型號： | GM5115 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | ONPANEL LCD PANEL CONTROLLER |
| 中文描述： | ONPANEL液晶顯示器控制器 |
| 文件頁數(shù)： | 49/58頁 |
| 文件大?。?/td> | 1505K |
| 代理商： | GM5115 |
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***
Genesis Microchip Confidential ***
gm5115/25 Preliminary Data Sheet
June 2002
40
C5115-DAT-01H
The UART is connected to pins GPIO4/UART_DI and GPIO5/UART_DO. gm5115/25 has
serial-to-parallel conversion hardware which is accessed by firmware. The baud rate for serial
communication is determined by a gm5115/25 host register.
4.15.5 DDC2Bi Interface
The gm5115/25 also features hardware support for DDC2Bi communication over the DDC
channel of either the analog or DVI input ports. The specification for the DDC2Bi standard can
be obtained from VESA (
www.vesa.org)
. The DDC2Bi port can be used as a factory debug port
or for field programming. In particular, the DDC2Bi port can be used to 1) read / write chip
registers (see section 4.17 below), 2) read / write to NVRAM (see section 4.15.1 above), and 3)
read / write to FLASH ROM (see section 4.15.3 above).
Two pairs of pins are available for DDC2Bi communication. For DDC2Bi communication over
the analog VGA connector pins GPIO22/HCLK and GPIO16/HFSn should be connected to the
DDC clock and data pins of the analog DSUB15 VGA connector. For DDC2Bi communication
over the DVI connector pins GPIO14/DDC_SCL and GPIO15/DDC_SDA should be connected
to the DDC clock and data pins of the DVI connector. gm5115/25 contains serial to parallel
conversion hardware, that is then accessed by firmware for interpretation and execution of the
DDC2Bi command set.
4.15.6 General Purpose Inputs and Outputs (GPIO)
The gm5115/25 has 21 general-purpose input/output (GPIO) pins. These are used by the OCM to
communicate with other devices in the system such as keypad buttons, NVRAM, LEDs, audio
DAC, etc. Each GPIO has independent direction control, open drain enable, for reading and
writing. Note that the GPIO pins have alternate functionality as described in Table 17 below.
相關PDF資料 |
PDF描述 |
|---|---|
| GM5115-H | ONPANEL LCD PANEL CONTROLLER |
| GM5125 | ONPANEL LCD PANEL CONTROLLER |
| GM5125-H | ONPANEL LCD PANEL CONTROLLER |
| GM5YJ01210A | HIGH-LUMINOSITY LED LAMP |
| GM5WA06250A | CHIP LED |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| GM5125 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ONPANEL LCD PANEL CONTROLLER |
| GM5125-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 |
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