2023-11-14 12:34 PM - edited 2024-10-10 02:55 PM
2023-11-14 01:28 PM
While waiting for more useful replies - note that your J-Link module version in the IAR IDE is 7.88j - quite old. Consider installing the latest J-Flash version from Segger. It should find and update J-Link module in your IAR installation.
2023-11-14 01:44 PM
Double check capacitance on VCAP pins, and measure voltage there. Check supplies generally.
Perhaps try with BOOT0 pulled HIGH
2023-11-15 02:00 AM - edited 2024-10-10 02:56 PM
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2023-11-16 07:22 AM
Hello @Luke_abc
I am not sure if this is a similar thread [SOLVED] Unable to flash / erase STM32F401CC - J-Link/Flasher related - SEGGER - Forum
Same Error: Failed to restore target. RAMCode never stopsERROR: Erase returned with error code -5.
It is related to bad board power delivery design.
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