Jp1 jp2 – Eurotech Appliances VIPER / VIPER-LITE PXA255 User Manual
Page 49
VIPER Technical Manual
Detailed hardware description
© 2007 Eurotech Ltd Issue E
49
FPIF-LVDS-RX connectors
JP1 – LCD power selection
T
his link selects the voltage supply of the LCD
panel.
Fit the jumper in position 3.3V (default) to supply
3.3V to the LCD panel, or in position 5V to
supply 5V to the LCD panel.
JP2 – Backlight power selection
T
his link selects the voltage supply of the LCD
backlight.
Fit the jumper in position 5V (default) to supply
5V to the LCD backlight, or in position 12V to
supply 12V to the LCD backlight.
Must provide 5V to J4 to power the FPIF-LVDS-RX. The 3.3V
supply is generated locally on the FPIF-LVDS-RX from the 5V
supply.
If the backlight requires 12V, then a 12V supply must be
connected to J4.
3.3V LCD power
(default)
5V LCD power
5V backlight
power (default)
12V backlight
power