Manual

KTD-S0051-D Page 13 Graphics Processing Subsystem
KTAM3874/pITX User's Guide
5.2 LVDS Flat Panel Connector
The J1800 connector (40 pins) provides the LVDS interface for flat panels on the top side of the board. A
prototype cable with open ends is available (part number 821515).
Header Pin Signal Description Type
1 - 5
VDD
1)
Backlight voltage PWR
6 GND Ground PWR
7
VCC5
1)
Power +5V PWR
8 GND Ground PWR
9
PANELVCC
1)
Panel power +3.3V or +5V PWR
10
PANELVCC
1)
Panel power +3.3V or +5V PWR
11 DDC_CLK Panel DDC clock (linked to panel power) IO-33/IO-50
12 DDC_DATA Panel DDC data (linked to panel power) IO-33/IO-50
13 BKLTADJ Brightness control (0V to +5V) AO
14 VCCENA Panel power enable (PANELVCC signal) O-33
15 BKLTON Backlight on/off O-33
16 GND Ground PWR
17 FTX0- First channel data 0 output (negative) DSO-33
18 FTX0+ First channel data 0 output (positive) DSO-33
19 FTX1- First channel data 1 output (negative) DSO-33
20 FTX1+ First channel data 1 output (positive) DSO-33
21 FTX2- First channel data 2 output (negative) DSO-33
22 FTX2+ First channel data 2 output (positive) DSO-33
23 FTXC- First channel clock output (negative) DSO-33
24 FTXC+ First channel clock output (positive) DSO-33
25 FTX3- First channel data 3 output (negative) DSO-33
26 FTX3+ First channel data 3 output (positive) DSO-33
27 - 28 GND Ground PWR
29 STX0- Second channel data 0 output (negative) DSO-33
30 STX0+ Second channel data 0 output (positive) DSO-33
31 STX1- Second channel data 1 output (negative) DSO-33
32 STX1+ Second channel data 1 output (positive) DSO-33
33 STX2- Second channel data 2 output (negative) DSO-33
34 STX2+ Second channel data 2 output (positive) DSO-33
35 STXC- Second channel clock output (negative) DSO-33
36 STXC+ Second channel clock output (positive) DSO-33
37 STX3- Second channel data 3 output (negative) DSO-33
38 STX3+ Second channel data 3 output (positive) DSO-33
39 - 40 GND Ground PWR