Answer
The WL_UART_DBG pin is a debug pin. It is a 1.8V logic UART TX line. This pin should never need to be used in normal operation. It may be useful to terminate this pin to a test point or header in case it is needed.
The WL_UART_DBG pin is a debug pin. It is a 1.8V logic UART TX line. This pin should never need to be used in normal operation. It may be useful to terminate this pin to a test point or header in case it is needed.