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NV RAM

Pratik Mahajan

Hi Guys, I don't know if this question is to be asked here or no but anyway- Is there anybody who have used NV RAM of DS12887RTC. It turned out that 3 of my RTCs were working for some time properly and then their RAM content disappeared- I am doing some new code to store data on NV RAM and checking it with incoming data(through serial) So needed to remove my micro controller for few times to reprogram it However after a while RTC content used to disappear And even if I run my "First_Run"(to load RTC) I can't get that data on RTC. If anybody is experienced with NV RAM?RTC please help me. Thank you in advance

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  • 0 in reply to Pratik Mahajan

    When I removed interrupt pin i.e. pin 19RTC -> pin3.2uC
    the program/circuit is working fine without any problem
    What should I do about it I want to use alarm interrupt One more thing when I'm reading RAM all the data is correct except alarm location is there any problem with reading alarm locations?

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  • 0 in reply to Pratik Mahajan

    When I removed interrupt pin i.e. pin 19RTC -> pin3.2uC
    the program/circuit is working fine without any problem
    What should I do about it I want to use alarm interrupt One more thing when I'm reading RAM all the data is correct except alarm location is there any problem with reading alarm locations?

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