Hi My experience has been that if you write the *same* setup to NVRAM on a 53131 once every few minutes, you wear out the memory while they are still in warranty….
Bob On Apr 23, 2013, at 3:36 AM, Ulrich Bangert <[email protected]> wrote: > Gentlemen, > > due to the discussion that evolved concerning Z38XX i looked up the sources > and found that indeed every time the current time is read using a > > :PTIM:TCOD? > > a > > :PTIM:TCOD:FORM F2 > > is sent in advance to make the receiver answer in the format that Z38XX > needs. I have not been aware that this could lead to NVRAM wear out but have > been thinking this simply sets the format of the next output. I have changed > the software so that the FORM F2 command is now only written once after > program start. The software can be downloaded from the usual place but I > have currently no time to test it. > > My own experiences with NV memory that can only be written for a limited > number of times (EEPROM on ATMEL processors) indicates that a clever made > NV writing routine would first compare the NV contents to what shall be > written on a byte by byte base and write only changed bytes. > > Best regards > > Ulrich Bangert > www.ulrich-bangert.de > Ortholzer Weg 1 > 27243 Gross Ippener > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
