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Questions tagged [st-link]

The ST-LINK is an in-circuit debugger and programmer for the STM8 and STM32 microcontroller families.

8
votes
7answers
57k views

STM32 & ST-LINK - Cannot connect to MCU after successful programming

I have built my own board with STM32F7-45VGT6. I have successfully programmed it with ST-LINK v2 (not the original one though) and now I cannot even connect with MCU. I use ST-Link Utility from ST ...
3
votes
2answers
17k views

Problems connecting ST-Link V2 and STM32F4 discovery board

I'm unable to connect to my STM32F4Discovery board using an ST-Link/v2. I've removed jumpers from CN3, connected the cables correctly but the utility tool won't detect anything... Using the ST-Link/...
14
votes
2answers
44k views

How to use external ST-Link to debug/program STM32F103 MCU?

I'm using STM32F103 MCU for my own project and want to use the ST-Link of STM32F411 Nucleo board for external debugging / programming purposes. I've set the CN2 jumpers OFF and my actual question is ...
1
vote
1answer
3k views

STM32 prototype unable to connect to PC using ST-Link/V2 SWD

Circuit Diagram Background & What I have tried. I have wired wrapped this setup myself using a fresh STM32F411RC MCU from digikey (on a proto-advantage LQFP-64 to DIP-64 breakout board). I've ...
1
vote
2answers
1k views

ST-Link connection suddenly stops responding

While I wanted to upload/debug a new HAL Eclipse System Workbench for STM32 project on my STM32F103 it showed the following message: ...
0
votes
2answers
689 views

“Can not connect to target!” using STM32F0 discovery board as ST-Link

(first posting here so bear with!) Hi, I'm a very novice embedded programmer and have hit a wall trying to use an STM32 discovery board as an ST-Link programmer to an external STM32F051K8T. I know ...