OLIMEX© 2018
STM32-H407 user's manual
6.11.6 AREF_EN
This is SMD type jumper.
If open/unsoldered will disable ADC reference.
The default position is closed.
6.12 Additional hardware components
The components below are mounted on STM32-H407 but are not discussed above. They are listed
here for completeness:
Reset button –
used for hardware reset of the board
WKUP button
– can be used as user button
User LED + Power LED
Page 21 of 30