# ST-Link v3 A [[CMSIS-DAP]] debugging probe for [[Embedded]]. Product page: [STLINK-V3MINI - STLINK-V3 compact in-circuit debugger and programmer for STM32 - STMicroelectronics](https://www.st.com/en/development-tools/stlink-v3mini.html#documentation) ## Pinout From the datasheet: - ![[ST-Link v3-1664646010403.jpeg]] Some more nice information from the internet: - [bluepill - How to connect STLINK-V3MINI to a Blue Pill? - Stack Overflow](https://stackoverflow.com/questions/57538832/how-to-connect-stlink-v3mini-to-a-blue-pill) [](https://i.stack.imgur.com/97fBK.jpg) I'm not the only one wondering about the CN3 connector, which is probably the SWD connector for initial programming: - [ST Community](https://community.st.com/s/question/0D53W00000HOKhJSAX/what-the-pinout-is-for-cn3-on-stlinkv3mini-and-has-any-useful-pins-for-icsp-use-like-swd-swc-etc) - [ST Community](https://community.st.com/s/question/0D50X0000B8hnvESQQ/stlinkv3-mini-cn3-and-reset-usage) ## Adapter to bigger pinouts -  - [Stlink V3mini 20pin Adapter - Etsy](https://www.etsy.com/listing/1198896920/stlink-v3mini-20pin-adapter) Clearly the stlink v3 blows performance out of the water: ![[ST-Link v3-1664648039362.jpeg]] Apparently you can only debug STM32 processors with the stlink v3, which is annoying. - [Programming RP2040 with ST-LINK - Electrical Engineering Stack Exchange](https://electronics.stackexchange.com/questions/592979/programming-rp2040-with-st-link) The blackmagic probe however has proper support.