STLINK-V3MODS and STLINK-V3MINI functional description

UM2502

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UM2502 Rev 1

Bridge GPIOs

Four GPIO signals are available on CN2 pins 18 and 21. Basic management is provided by

the public ST bridge software interface.

8.4.5

LEDs

PWR LED: red light indicates that 5 V is enabled.

COM LED: refer to the Overview of ST-LINK derivatives technical note (TN1235) for details.

FAULT LED: Indicates USB overcurrent request.