| Electronics > Projects, Designs, and Technical Stuff |
| Debugging and/or flashing multiple microcontrollers |
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| prasimix:
--- Quote from: Dr_Neoo on February 26, 2020, 11:37:50 pm ---* Biggest downside is need for a large connector. --- End quote --- You need just 3-pin connector for SWD, with 2 or 2.54 mm raster it is not so big or about 5 mm is too big in your case? |
| bson:
--- Quote from: Dr_Neoo on February 26, 2020, 11:37:50 pm ---* Simply breaking out each SWD header to a connector and using this with an external debugger. Biggest downside is need for a large connector. --- End quote --- The 0.050" 10-pin connector used by STlink V3 is really quite small and easy to drop down just about anywhere. The connector that mates to the stock cable is a Samtec FTSH-105-01-L-DV-K (PDF datasheet). Another option is to use Tag-Connect TC2030-NL, which needs only a footprint and requires nothing to be populated on the board. A legged version that grabs a pair of holes exists too (I've used both and they work well, but the legged one is preferable IMO during development as it's more secure). Slightly bigger, but also very easy to fit. Note that the cable ends in a 6 pin .1" IDC; an adapter board for STLink v3 is trivial. |
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