Plug and Program Options

[EthanMankins]

I am using the STM32H743VIT6 LQFP100. I am integrating it into a custom board and looking for the best (easiest, cheapest, fastest) way to program it. This will be in a setting where we would like to just plug in a programmer and hit program; however, we would still like the ability to debug in CubeIDE, if issues do arise. It would be ideal to not have to have an additional power source. 

I have been interested in the STLINK-V3MINIE. Does this require the MCU to be powered externally, and can we interface to it with CubeIDE?

To interface with an STLink device without needing external power outside the STLink probe what pins will i need brought out from the MCU?

Thank you

[Pavel A.]

> I have been interested in the STLINK-V3MINIE. Does this require the MCU to be powered externally

Yes. There are legends about ARM microprocessors powered in weird ways, but these are legends. Provide solid power and ground for your fixture.  STLINK-V3MINIE is a good choice for cheap programmer/debugger. It has several nice options for the connectors. It does not provide power to the target.

[EthanMankins]

I'm looking for the same experience the STLINK that comes installed on NUCLEO boards provides. Would I be able to replicate that experience using just SWDIO and SCLK?

[Pavel A. · Accepted solution]

Nucleo boards are specially designed to receive power from host USB connection and provide this power to the target and on-board ST-LINK. You can do the same for your fixture.  Schemes are published on the ST website.

Help with electrical design is available here.