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nrf51822 UART FIFO and stop bits

Andreas Wileur

Hi, I wonder if there is any way to disable the Rx FIFO so that I don't have to fill it to generate an event, since I need exact timing for every incoming byte.

Also, is there anyway to set two stop bits? I can probably workaround it since the second stop bit is high like the IDLE state but it would be nice to do things properly.

Best regards, Andreas

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    Hi,

    The reference manual is explicit that the UART has 1 stop bit. Although if you were to send 2, I don't think it will affect the operation of the UART.

    The UART itself is what transfers the received character from the FIFO to the RXD register. I don't think you can change that behavior. There certainly is no register control that I am aware of that gives you control over that behavior.

    Regards, John

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    Hi,

    The reference manual is explicit that the UART has 1 stop bit. Although if you were to send 2, I don't think it will affect the operation of the UART.

    The UART itself is what transfers the received character from the FIFO to the RXD register. I don't think you can change that behavior. There certainly is no register control that I am aware of that gives you control over that behavior.

    Regards, John

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