View Full Version : PIC 16F877A programer using USB... HELP!!
Hamlet
- 15th September 2005, 09:13
Hi all.
I need URGENTLY to build a circuit to program a PIC 16F877A but my computer doesnt have serial nor parallel ports... my only option is to use the USB 2.0 port.
Does anyone know where I can get a circuit??
thanks in advance for any help
mister_e
- 15th September 2005, 13:30
use USB to RS232 converter. You'll find them on your local office supplier or computer reseller.
Just be sure it handle/provide common flow control signal as some use them.
Maybe some FTDI chip could do the job.
Emil G
- 15th September 2005, 17:54
Hamlet,
there is interesting USB programmer
http://perso.wanadoo.es/siscobf/
18F2550 is requested.
happy PICing
Emil
Hamlet
- 15th September 2005, 22:50
use USB to RS232 converter. You'll find them on your local office supplier or computer reseller.
Just be sure it handle/provide common flow control signal as some use them.
Maybe some FTDI chip could do the job.
Thanks... by this you mean I can use a adaptor USB - RS232. Does it mean that the programer should have a RS232 conector?. The circuit I saw in the internet has a SUBD9 conector (serial).
Can you show me a circuit that uses RS232 conector? I have already have a USB - RS232 converter.
Thanks.
Hamlet,
there is interesting USB programmer
http://perso.wanadoo.es/siscobf/
18F2550 is requested.
happy PICing
Emil
Thanks you too.
I saw the diagram and all the files. Im not that smart at electronics nor computers...
Do you think I can program a 16F877A using this circuit that uses a 18F2250?
Thanks.
mister_e
- 15th September 2005, 23:02
RS232 is the protocol. SUBD9, DB9 is the connector type.
Freebies PIC-PROG, IC-PROG, PICCALW with their associated interface. Do a google search for them. Can't vouch on them but we heard them a lot of time on various forum
Hamlet
- 16th September 2005, 16:38
thanks.
1 more question.
I found a very simple (and popular) circuit called PIPO2.. Do you think this circuit can work using the USB-RS232 converter?
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