Mebbe I have a handle on it. I checked with Microchip, and explained the installation. It seems a pic a/d needs a minimum a/d reference of 2V, and I only have 1.2V :-(. I feel a hardware fiddle coming on, but I haven't time to check it yet. The software fiddle is highly unpalatable. -- Regards,
Declan Moriarty. On Sunday 24 November 2002 21:28, you wrote: > Sorry Delcan, > I have tried to run a PIC on low frequencies yet, > have checked the PICLIST or the Microchip discussion forum, there are tons > of experts on just PIC�s. > > Cheers > > Friedel > > At 12:43 p.m. 23/11/02 -0800, you wrote: > > I am having weirdness from a a pic 16f877 running at 32khz. It > > refuses to > >operate the a/d on anything except internal oscillator, and the readings > > are haywire. I got the code sorted, and had one here giving believeable > > readings (I'm only using one channel, and can check the sense of a > > reading handily). > > > >It's reading temprature & displaying it. In every 10 seconds, it reads on > >7.5, 8.5, & 9.5 secs, and displays the result (of the 7.5 sec reading) on > > 8 secs, and the result of the 8.5 sec reading on 9 secs. It went out > > perfect - reading well, and freezing when I froze the temprature sensor, > > going up when I heated it. Now it's staying on 15 degrees whatever the > > temprature :-o. Another one doubles the reading, (7 degrees, 15 degrees) > > which bears no relation to the input. The input, & reference voltage, are > > stable & correct. I have pics on order, but has anyone had problems with > > this frequency? -- Author: Declan Moriarty INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
