AN-1006
ADDING THE USBi TO A SIGMASTUDIO PROJECT
To use the USBi in conjunction with SigmaStudio, first select it
in the Communication Channels subsection of the toolbox in
the Hardware Configuration tab, and add it to the project space.
Figure 6. Adding the USBi Communication Channel
If SigmaStudio cannot detect the USBi on the USB port of the
computer, then the background of the USB label will be red.
This may happen when the USBi is not connected or when the
drivers are incorrectly installed.
Application Note
Figure 9. Connecting the USBi to an IC
To change the communication mode and channel, click the
drop-down box and select the appropriate mode and channel
from the list.
Figure 7. USBi Not Detected by SigmaStudio
If SigmaStudio detects the USBi on the USB port of the computer,
the background of the USB label changes to orange.
Figure 8. USBi Detected by SigmaStudio
CONFIGURING THE USBi TO COMMUNICATE WITH
Figure 10. Selecting the Communications Mode and Channel
CONFIGURING THE USBi TO COMMUNICATE WITH
MULTIPLE ICS
The USBi can communicate with up to five ICs simultaneously.
To communicate with more than one IC, add another IC to the
project and connect it to the next available pin of the USBi.
Multiple Address Operation with I 2 C
The USBi can support up to four identical devices on the same
bus if the I 2 C address pins of the target devices are indepen-
dently set to four different addresses, matching the addresses in
the drop-down box in the Hardware Configuration tab of
SigmaStudio.
AN IC
To use the USBi to communicate with the target IC, connect it
by click-dragging a wire between the blue pin of the USBi and
the green pin of the IC. The corresponding drop-down box of
the USBi automatically fills with the default mode and channel
for that IC.
Figure 11. Multiple Address Operation with I 2 C
Rev. A | Page 4 of 16
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