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UM2448 Rev 5
21/42
UM2448
STLINK-V3SET functional description
41
7.3.6 LEDs
PWR LED: red light indicates that 5 V is enabled (only used when a daughterboard is
plugged).
COM LED: refer to the
Overview of ST-LINK derivatives
technical note (TN1235) for details.
7.4 Jumper
configuration
Table 3. MB1441 jumper configuration
Jumper
State
Description
JP1
ON
JTAG clock loopback done on
board
JP2
ON
Provide 5V power on
connectors (internal use)
JP3
OFF
STLINK-V3SET reset. Can be
used to enforce STLINK-V3SET
UsbLoader mode
Table 4. MB1440 jumper configuration
Jumper
State
Description
JP1
Not used
GND
JP2
Not used
GND
JP3
ON
Getting 5V power from CN12
(internal use)
JP4
OFF
Disable SWIM input
JP5
ON
JTAG clock loopback done on
board
JP6
OFF
Disable SWIM output
JP7
OFF
Close in order to use CAN
through CN5
JP8
ON
Provide 5V power to CN7
(internal use)
JP9
ON
Provide 5V power to CN10
(internal use)
JP10
OFF
Close in order to enable I
2
C
pull-ups
JP11
Not used
GND
JP12
Not used
GND