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How to discard data in TXREG?

 
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Einly



Joined: 10 Sep 2003
Posts: 60

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How to discard data in TXREG?
PostPosted: Thu Dec 30, 2004 9:09 pm     Reply with quote
Dear all,

I would like to throw all the serial data that is in the txreg register so that I can write new data into it and reset the TXSTA pin. May I know how should I do that?
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Einly
dyeatman



Joined: 06 Sep 2003
Posts: 1931
Location: Norman, OK

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PostPosted: Thu Dec 30, 2004 10:21 pm     Reply with quote
I believe TXSTA is a register not a pin...

Not sure why you would want to do this but....

According to the DATA SHEET in case you haven't read it, all you have to do is clear the TXEN bit then put your new data in the TXREG then set TXEN

See the section in the data sheet titled USART Asyncronous Transmitter
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