Figure 4.
STEVAL-ISB68WTX and USB-I
2
C converter
2.3
USB to I
2
C converter board
The USB to I
2
C bridging dongle is the tool that allows interfacing the receiver to the Graphical User Interface
running on a PC.
Three LEDs monitor the operation of the bridge:
D1 (green) indicates I
2
C bus activity.
D2 (red) indicates correct initialization of the U1 chip
D3 (yellow) is a power-on indicator.
When the dongle is plugged into the USB port, both D2 and D3 should be on.
Figure 5.
USB-to-I
2
C converter
UM2901
USB to I2C converter board
UM2901
-
Rev 1
page 5/18