SWD EMC issues (pullup SWDIO)
Posted on May 18, 2017 at 11:22AN2586 (Getting started with STM32F10xxx hardware development) recommendsJTMS/SWDIO: Internal pull-upTCK/SWCLK: Internal pull-downin an older STM32F100 Project where we had some field issues probably due to EMC (serial...