Venus User Manual Rev 1.1e
www.diamondsystems.com
Page 29
Figure 4 Jumper Block JP1
The following table shows the different combinations of jumper block JP1. The row in bold and italics shows the
default configuration of jumper block JP1.
1-2
2-3
4-5
5-6
In
Out
In
Out
In
Out
Out
In
Out
In
In
Out
Out
In
Out
In
Note:
1. Jumpers should be installed in either positions 4-5 or 5-6.
8.2 LVDS Backlight and LVDS VDD (JP2)
Jumper block JP2 configures the voltage supply for the LCD backlight, LVDS VDD and DIO Voltage as well. The
orientation of the block in the diagrams matches the orientation of the jumper block when the board is rotated so
that the Power in connector is on the lower edge.
Available options are +5V and +12V. 5V is generated on board and +12V is needed for the LCD backlight, is
powered via the power connector J12.
For DIO, available options are 5V and 3.3V. By default, DIO voltage is provided with 3.3V
By default, LVDS backlight is provided with +12V and the LVDS VDD is provided with 3.3V. Figure 5 shows the
default jumper locations.
Note that the +12V is directly supplied from Input power connector. If the Input supply is other than 12V, user
should not mount this jumper and supply the LCD backlight externally.
