the length cause capacitance issues. read it up. very important to know the lengthy problem :D john --- Sam wrote: > I made the cable half of that it was and it appears > that it helped. :-). > It was half meter long. > I wouldn't expect that length of cable could have > such influence on my > design. > > Thank you very much, > Sam > > -----Original Message----- > From: piclist-bounces@mit.edu > [mailto:piclist-bounces@mit.edu] On Behalf > Of Jinx > Sent: 01 April 2006 23:00 > To: Microcontroller discussion list - Public. > Subject: Re: [PIC] NVRAM and PIC > > > on which I put my NVRAM. It connects it with > ribbon cable > > to my PIC board ( also designed by me ) > > How long is the ribbon cable ? I had something > similar ages ago > and found that having pull-downs on the data lines > helped. They > were 100k I think, in an array with a common > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist