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Group Information

  • Members: 1344
  • Category: Microcontrollers
  • Founded: Mar 9, 1999
  • Language: English
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Activity within 7 days:

7 New Messages - New Questions

Description

This discussion group (club) is a forum for designers and developers to talk about the Microchip PIC single-chip microcontrollers.

Note: This group has been flooded with off-topic postings. Members who post these off-topic messages will be removed and banned from the membership list.

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Re: Problem with EEPROM data not surviving power-cycle
Jonathan wrote:> Mike, ... I got it working. I made a new source code file that does nothing but read the pushbutton and write/read the EEPROM. I did find the
Posted - Tue Dec 22, 2009 5:42 pm
 Mike Dodd
doddm2001
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Re: Problem with EEPROM data not surviving power-cycle
Mike, I didn't see any problems in the EEPROM read and write routines, but I did spot a few things, below... Merry Christmas, Jonathan ...
Posted - Tue Dec 22, 2009 4:17 pm
 Jonathan
jonw0224
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Re: Problem with EEPROM data not surviving power-cycle
... Thanks for the suggestion. I modified my code to write to two EEPROM locations. Now it appears that the EEPROM is not being written, and is returning
Posted - Mon Dec 21, 2009 9:24 pm
 Mike Dodd
doddm2001
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Re: Problem with EEPROM data not surviving power-cycle
My guess is the EEMEM isn't really being written to and you are just reading back the contents of the EEDATA register containing what was supposed to be
Posted - Mon Dec 21, 2009 1:08 pm
 bergweed
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Re: indetifying speed of a 16f688a
You can get the data sheet from the microchip website. The oscillator will operate up to 20 mhz. The instruction cycle is 1/4 of that so the instruction cycle
Posted - Sun Dec 20, 2009 6:38 pm
 orwill@...
ovwh
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2009 13 3 1 17 17 4 5 7 4 2 12 8
2008 1 14 3 1 1 17 10 5 5 1 7 4
2007 14 9 2 8 19 13 1 26 2
2006 25 6 6 21 19 7 7 1 4 17
2005 27 17 11 11 36 23 30 2 5 23 1 31
2004 49 21 29 22 24 28 25 30 17 30 19 24
2003 77 78 23 37 26 37 50 54 45 103 93 37
2002 3 1 2 4 9 13 3 29 19 26 22 21
2001 5 9 7 3 1 3 6 18 13 3 14 2
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1999 5 2 2 2 4 9 3 2 3
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