ST-Link V3 Set is not detecting the target MCU (STM32F103C8T6) and also no voltage to power the MCU is coming out of SWD line.
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‎2023-01-28 7:20 PM
have tried with STLink V2 and it's works fine. In the manual of ST-Link V3 they are not specifying any particular jumper settings for SWD. With a multimeter I cannot detect Vcc of 3.3V between the VCC and GND of SWD pins. Please find the below picture. Is it not possible to power the STM bluepill board target using ST-Link V3 SET. With Cube Programmer I am getting below error. The ST-Link V3 is detected by the system. I have double checked the SWD connection and as you guys know its simple with 4 wire.
Solved! Go to Solution.
- Labels:
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ST-Link
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STM32F1 Series
Accepted Solutions
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‎2023-01-29 5:24 AM
With external power supply it's working fine. Thanks a lot..
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‎2023-01-28 9:18 PM
Was an oscillosope used to confirm multimeter measurements?
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‎2023-01-28 10:57 PM
Nope. I don't have an oscilloscope.
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‎2023-01-28 10:58 PM
Is ST-Link V3 SET power the STM32 target or I need to supply the target power separate?
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‎2023-01-28 11:29 PM
No official STLinks dont provide Supply for target. But you can customize.
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‎2023-01-29 12:32 AM
I don't think the debug probe is supposed to provide power to the application.
In short :
- Is the USB leftover current budget enough to provde power to the unknown?
- The debug probes monitor the application supply as check to warn user of unpowered application MCU
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‎2023-01-29 5:24 AM
With external power supply it's working fine. Thanks a lot..
