Posted on May 07, 2018 at 22:04Ran into the very same problem recently with an STM32F303.Its reference manual mentions:'If the read protection is set while the debugger is still connected through JTAG/SWD, apply a POR (power-on reset) instead of a s...

Posted on May 07, 2018 at 22:03Ran into the very same problem recently with an STM32F303.Its reference manual mentions:'If the read protection is set while the debugger is still connected through JTAG/SWD, apply a POR (power-on reset) instead of a s...