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SWO pin

Question asked by mahmoud boroumand on Jul 17, 2017
Latest reply on Jul 22, 2017 by mahmoud boroumand


I'm using stm32f103c8 and I want to use all of the GPIOB .it work good expect pin 3 and 4.Those pin use for sys_njtrst and sys_jtdo-tracswo but i just use SW and i don't need these pins for programming  and want to use for other purpose but its not work.can i do that?is it possible to use for input or output purpose?