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Not able to program STM32l0476

Question asked by Ekambaram.kottee.002 on Jan 13, 2017

I am using lcd segment in my design. Before soldering LCD module, I am able to program my stm32l0476. But after soldering the LCD module, I am not able to do programming. Only dependency is TRACESWO (PA15 & lcd SEGMENT 17). Previously it was left blank, now it is connect to lcd segment pin. Any clues on this?