On Tue, 13 Dec 2005 06:47:27 +1100 you wrote: >How accurate are devices like the DS1302Z? About a minute a month. >>>> >>>>I'm trying to get a RTC going on a Mega 8 using a 32 kc watch crystal >>>>as per Atmel app note AVR134. >>>> >>>>The code works well except that the time gains about 3 seconds per hour. Another thought - I would have a look at the appnote on http://www.maxim-ic.com/appnotes.cfm/appnote_number/58 which gives a few causes for fast clocks. -- Ralph Hilton http://www.ralphhilton.org C-Meter: http://www.cmeter.org FZAOINT http://www.fzaoint.net
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Re: [AVR-Chat] RTC on Mega 8
2005-12-12 by Ralph Hilton