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8051 and c

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Sceadwian

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Depends entirely on the 8051 you have and it's peripherals. All 8051's are not the same.
 

be80be

Well-Known Member
Google bit bang uart 8051 and you'll find what you need to no bit bang uart 8051 - Google Search
If it a 40 pin dip it should have uart on pin P3.0 and P3.1 If so look here http://www.8052.com/tutser.phtml I have a book in my truck on how to do uart and a lot more they use a lot of them at the plant I worked at but i never programmed one just fixed motor controls h-bridges and sensors. Here if any one wants to read the datasheet http://www.datasheetcatalog.com/datasheets_pdf/8/0/5/1/8051.shtml
 
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rushi53

Member
Does anyone know how to send a number from the 8051 via serial port to the hyper terminal?

that is very simple
you just need to copy the data in SBUF register, it means Serial communication buffer register.
command would be:
MOV SBUF,#01H
here 01H is the data to be transmitted
but u need to set few SFR before that
those are SCON, SMOD, TMOD and TCON
also you need to load TH1 and TL1

Let me know if you need any more help.
 
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