STMicroelectronics ST7MDTULS-EVAL, Руководство пользователя

Страница: 15 / 18

UM0068 Running the USB low speed evaluation board
13/15
2.5 Enabling board for ICC communication
To enable ICC communication on this board, the connection between the V
PP
pin of the
MCU and the charge pump capacitors (C6 and C7) needs to be cut to allow the
programming tool to generate pulses on the V
PP
line (mandatory for entry into ICC mode).
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
PP
pin
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
Jumper between these points