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  • [SOLVED] j-link edu mini (V6.52e) - CPU could not be halted

    bgolab - - J-Link/Flasher related

    Post

    Hello, Thank you for your comments. It's genuine ST STEVAL-SMARTAG1 powered by CR2032, and the 1.8V was expected. I tested the connectivity on ST-LINK as well and got similar results. That's why I investigated the CR2032 and found that some of them dropped the voltage for short amount of time during turning on the LED. So I replaced them with quality ones have have no problems since then. Thanks again for your involvement. Bogdan

  • [SOLVED] j-link edu mini (V6.52e) - CPU could not be halted

    bgolab - - J-Link/Flasher related

    Post

    Hi, I wonder what would be a reason for stopping the communication with the target MCU after 4-5 sec. I use Keil uVision 5.28. The log below contains the relevant information. Running with Code Size Limit: 32K Device "STM32L031K6" selected. JLink info: ------------ DLL: V6.52e, compiled Oct 16 2019 12:16:54 Firmware: J-Link EDU Mini V1 compiled Oct 8 2019 14:59:05 Hardware: V1.00 S/N : 801000133 Feature(s) : GDB, FlashBP * JLink Info: Found SW-DP with ID 0x0BC11477 * JLink Info: STM32 (connect):…