Resolved! STM32L052 USART: Problem Switchover from Output- to UART - TX - functionality produces a disturbing H/L - edge on TX
Two Usart - TX - lines shall be used either in PP- output- or in Usart - TX - mode.The switchover from a normal output pin to a Uart - TX - pin produces an High/ Low edge on TX followed by an interrupt on TX side.On RX- side this H/L edge causes an ...