Jumper Configuration; Table 9. Jumper Configuration - ST STM32 User Manual

6.11

Jumper configuration

The default jumper positions are shown in
Jumper/CN
JP2, JP4, and JP6 to JP8
CN2 and CN3
CN12
JP1
JP3
JP5
1. The default jumper state is shown in bold.
UM3353 - Rev 1
Table 4. Table 9 describes the other available jumper settings
Table 9. Jumper configuration
Function
SWD interface
GND
5 V power selection
STLK reset
I measurement
DD
Hardware layout and configuration
State (1) Comment
STLINK-V2EC enabled for
ON
on‑board MCU debugger
STLINK-V2EC functions
disabled and external
OFF
debugger from the connector
(CN4)
OFF
GND probe
ON
[1-2] 5 V from ST-LINK
[3-4] 5 V from VIN 7 to 12 V
[5-6] 5 V from 5V_EXT
[7-8] 5 V from 5V_USB
OFF No 5 V power
ON STLK reset
OFF No STLK reset
ON VDD = 3.3 V
To connect the external
OFF source (ULPBench probe as
an example)
UM3353
page 17/31