The Mini ST-LINK V2 is fully consistent with the official version with support for automatic upgrades, support the full range STM32 SWD (only 4pins including SWCLK, SWDIO, and power) and a full range STM8 SWIM (only 4pins including SWIM, Reset and power). Download and debug in one easy place.

Supported Families: STM8 (via SWIM interface) and STM32 (via SWD/JTAG interfaces).
Interface Connections: 4-pin SWD connection typically uses GND, SWCLK, SWDIO, and 3.3V/5V power.
Protections: Built-in 500mA resettable fuse for short-circuit protection and reverse-voltage diodes.
Software Compatibility: Works with STM32CubeIDE, Keil, IAR, and other standard ARM development tools