Hi,


I have used the direct connection between PC (EIA RS232) and the PIC as
showed in PBP manual. It works very well. You just take attention on the
polarity. The TTL serial have logical level inverted.


Ciao


Leo
----- Original Message -----
From: "Matthieu Baraban" <Matthieu_Baraban@PALM.COM>
To: <PICLIST@mitvma.mit.edu>
Sent: Friday, October 13, 2000 11:44 AM
Subject: PIC 16F84 & serial port on a PC


> Hello,
>
> I am designing a board that has to exchange some data between a PIC16F84
> and a serial port on a PC, in both ways.
> This will be done for about 1 minute, every week.
> So, my question is :
> Do I have to use a TTL<->RS232 converter, or can I simply use resistors as
> it is explained sometimes on PIC web pages.
> Could you give me your advices ?
> Thanks a lot,
> Best regards,
>
> Matt.
>
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