Kontron 986LCD-M-mITX (BGA) Manual de usuario descargar pdf (Pagina 31)

986LCD-M Family

KTD-N0837-B

Public

User Manual

Date: 2012-04-17

Page

31 of 91

4.4.3 LVDS Flat Panel Connector (LVDS)

Note

Type

Signal

Type

Note

Max. 0.5A

PWR

+12V

PWR

Max. 0.5A

PWR

+12V

PWR

Max. 0.5A

PWR

+12V

GND

PWR

Max. 0.5A

PWR

+5V

GND

PWR

Max. 0.5A

PWR

LCDVCC

PWR

Max. 0.5A

4K7Ω, 3.3V

DDC CLK

DDC DATA

4K7Ω, 3.3V

3.3V level

BKLTCTL

VDD ENABLE

3.3V level

BKLTEN#

GND

PWR

Max. 0.5A

LVDS

LVDS A0-

LVDS A0+

LVDS

LVDS A1-

LVDS A1+

LVDS

LVDS A2-

LVDS A2+

LVDS

LVDS ACLK-

LVDS ACLK+

LVDS

Note 1

LVDS

LVDS A3-

LVDS A3+

LVDS

Note 1

Max. 0.5A

PWR

GND

PWR

Max. 0.5A

LVDS

LVDS B0-

LVDS B0+

LVDS

LVDS B1-

LVDS B1+

LVDS

LVDS B2-

LVDS B2+

LVDS

LVDS BCLK-

LVDS BCLK+

LVDS

Note 1

LVDS

LVDS B3-

LVDS B3+

LVDS

Note 1

Max. 0.5A

PWR

GND

PWR

Max. 0.5A

Note 1: Support of 24bit OpenLDI/ SPWG panels is not officially supported by Intel®, but is supported by the

986LCD series boards by Kontron. Kontron intends to continue to provide 24bit OpenLDI/ SPWG panel

support even if Intel® withdraws this from the chipset, by an external converter module.

Signal Description – LVDS Flat Panel Connector:

Signal

Description

LVDS A0..A3 LVDS A Channel data

LVDS ACLK LVDS A Channel clock

LVDS B0..B3 LVDS B Channel data

LVDS BCLK LVDS B Channel clock

BKLTCTL Backlight control (1), PWM signal to implement voltage in the range 0-3.3V

BKLTEN# Backlight Enable signal (active low) (2)

VDD ENABLE Output Display Enable.

LCDVCC VCC supply to the flat panel. This supply includes power-on/off sequencing.

The flat panel supply may be either 5V DC or 3.3V DC depending on the CMOS

configuration. Maximum load is 1A at both voltages.

DDC CLK

DDC Channel Clock

DDC DATA DDC Channel Data

Note 1) Windows API (version Hwmon_KTAPI ver 4.5 or newer) is available to operate the BKLTCTL signal.

Some Inverters has a limited voltage range 0- 2.5V for this signal: If voltage is > 2.5V the Inverter

might latch up. Some Inverters generates noise to the BKLTCTL signal resulting in making the lvds

transmision fail (corrupted picture on the display). By adding 1K Ohm resistor in series with this signal

and mounted in the Inverter end of the cable kit the noise is limited and picture is stabil.

Note 2) If the Backlight Enable is required to be active high then make the BIOS Chipset setting: Backlight

Signal Inversion = Enabled.

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User Manual 1
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Kontron 986LCD-M-mITX (BGA) Manual de usuario Pagina 31

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