----- Original Message ----- From: "Jan-Erik Soderholm" To: Sent: Friday, May 13, 2005 6:20 PM Subject: RE: [PIC] Error % charts of PIC USART ? > kenasw@btinternet.com wrote : > > > > No matter what speed the "other end" is using, your PIC > > > shouldn't be off more then "a few" % from that. Try to stay > > > within 1-2 %, and you'd probably be safe... > > > > o.k. 2% times 9 = 18% per char. > > I'm not sure why you are making it harder then it is... :) I am not making it harder, I will choose what you suggested, I am simply thinking aloud as they say, because I feel it is important to also understand *why* we do what we do. > > I think you are talking about a half-bit time after a full byte, right ? yes > Remember also that the *other end* can be off in the > other direction. right, good point, my guess is that the pc will have a clock which is a multiple of the baud rate so that, as others have said, with such a crystal there will be no error. > > As have been said before, just stay within 1-2 % and > you will probably be safe. > > Jan-Erik. > > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > > > -- > No virus found in this incoming message. > Checked by AVG Anti-Virus. > Version: 7.0.308 / Virus Database: 266.11.9 - Release Date: 12/05/2005 > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist