9
iCE40 Ultra Breakout Board
RGB LED Demonstration Design and Software GUI
The iCE40 Ultra Breakout Board can demonstrate a complete controller for an RGB LED. These are the steps nec-
essary to run the demonstration.
1.
Ensure that the RGB LED GUI is installed.
2.
Make sure the jumpers on J10 are both in the vertical position. This is the default pins 1-3 and 2-4 shorted
together.
Figure 9. SPI Flash Selection (Vertical) for J10
3.
Connect the iCE40 Ultra breakout board via the USB cable to a PC or MAC.