Hi All,
I am having Stm32F030 controller where i am using half duplex communication in Usart using Tx pin. Half duplex communication works good. But sometimes Tx pin goes bad(getting short with ground). I am not aware of this problem , can anyone please suggest where i am wrong.
Tests conducted::
Cross checked the pcb track for any problem, it is okay.
For successful communication, Tx pin is pulled up by 4.7K resistor.
I am having Stm32F030 controller where i am using half duplex communication in Usart using Tx pin. Half duplex communication works good. But sometimes Tx pin goes bad(getting short with ground). I am not aware of this problem , can anyone please suggest where i am wrong.
Tests conducted::
Cross checked the pcb track for any problem, it is okay.
For successful communication, Tx pin is pulled up by 4.7K resistor.