STM32L-Discovery No connection


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    Richard Webb

    Try using ST's serial bootloader at


    You'll need to set BOOT0 and BOOT1 appropriately and then to access the UART pins. I confess that I have not dug deeply enough into that board's schematic to determine how easy it will be to get to the UART pins at logic level. However, using the bootloader will allow you to access the device prior to your application code running and to erase/reprogram it with known good code.

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