The ST-LINK/V2 is an in-circuit debugger/programmer for the STM8 and STM32 microcontrollers. Intermediate Protip 2 hours 2,857 To upload a program to a chip from Thomson Semiconductor you need an ST-Link programmer device to connect your PC. We'll use an inexpensive ST-LinkV2. The single wire interface module (SWIM) and JTAG/serial wire debugging (SWD) interfaces, facilitate the communication with any S l isolation between the PC and the target appli TM, Keil�, and TASKING integrated devel.