Keil forum monitoring the external UART

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monitoring the external UART

Ricky Tan over 23 years ago

Does anyone know how to monitor the external UART receive pin?

thanks

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0 Sven Petersen over 23 years ago

Try a scope. Why do you want to monitor it? Do you doubt the data that you receive? For a 16550 type UART, you cannot monitor the state of the receive pin via a bit in some register of the UART, you can only do that with the other status lines.
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0 Sven Petersen over 23 years ago

Try a scope. Why do you want to monitor it? Do you doubt the data that you receive? For a 16550 type UART, you cannot monitor the state of the receive pin via a bit in some register of the UART, you can only do that with the other status lines.
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