explains the other jumper settings and configurations.
Table 5.
Jumper configuration
Jumper
Definition
Setting
Comment
JP1
STLK_RST
ON
Use to reset the STLINK-V3E MCU
when an external debug probe is used.
OFF
Normal mode: use the STLINK-V3E
debug probe
JP2
T_NRST
ON
STLINK-V3E able to reset target MCU
OFF
STLINK-V3E not able to reset Target
MCU configuration to use when an
external debug probe is used.
JP4
VDD voltage selection
[1-2]
VDD voltage selection is 3V3
[2-3]
VDD voltage selection is 1V8
OFF
No internal VDD power supply
(External 3V3 or 1V8 needed)
JP5
IDD measurement
ON
MCU is powered by the on
‑
board
power supplies.
OFF
Use an ammeter to measure the MCU
power consumption, or connect an
external source 3V3 or 1V8 on pin
2 to supply the MCU (STLINK-PWR
tools with STM32CubeMonitor-Power or
ULPBench probe as exemple)
JP6
5V Power selection
[1-2]
5V source from STLINK-V3E
[3-4]
5V source from ARDUINO
®
VIN 7-12V
[5-6]
5V source from 5V_EXT
[7-8]
5V source from USB Type-C
®
[9-10]
5V source from USB_CHGR
(from CN1 STLINK-V3E USB connector
without overcurrent protection)
OFF
NO 5V power source, configuration
when external 3V3 is used.
JP7
UCPD_DBCC1
OFF
UCPD_DBCC1 NOT connected to
GND
ON
UCPD_DBCC1 connected to GND (For
debug purpose)
JP8
UCPD_DBCC2
OFF
UCPD_DBCC2 NOT connected to
GND
ON
UCPD_DBCC2 connected to GND (For
debug purpose)
1. The default configuration is in bold.
UM2861
Default board configuration
UM2861
-
Rev 2
page 8/49
