OLIMEX© 2014
STM32-P407 user's manual
6.14 Jumper description
Most of the jumper configurations are printed with white print on the PCB for your convenience.
PWR_SEL
This jumper control the way the board is powered. There is a table printed on the board with the
positions. You can check the table below also. Position 1-2 is the one at the PWR connector side.
PWR_SEL
1 - 2
+5V_EXT
3 - 4
+5V_J-LINK
5 - 6
+5V_CAN
7 - 8
+5V_USB_OTG
9 - 10
+5V_TRACE
Default position is 3-4.
STAT1_E, STAT2_E, STAT3_E, STAT4_E
Those 4 jumpers control whether the LEDs are powered(closed) or not(open).
Default state is closed.
BOOT0_E
Connected to pin 138 (BOOT0/VPP), enables boot when open.
Default state is open.
RST_E
Controls the RST on the RS232_1. If closed is present. Default state is not present.
Default state is open.
B1_1/B1_0, B0_1/B0_0
These jumpers should be moved together and control which memory would be used to load code
initially. There is a table on the board describing the postions.
Default states of both jumpers are B1_0, B0_0.
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