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UM0068
2.5
Enabling board for ICC communication
To enable ICC communication on this board, the connection between the V
MCU and the charge pump capacitors (C6 and C7) needs to be cut to allow the
programming tool to generate pulses on the V
To allow switching between either ICC and IAP functionality, the use of a jumper is
recommended, soldered across the location of the cut. This allows 12 V to reach the V
in IAP mode. See the figure below for the recommended cut and jumper locations.
Figure 7.
Recommended board modifications for ICC communication
Cut line here
Running the USB low speed evaluation board
line (mandatory for entry into ICC mode).
PP
Jumper between these points
pin of the
PP
pin
PP
13/15
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