Skip to main content
N
nanuradha
Visitor II
September 26, 2006
Question

How long the RTC works with battery ,without power supply

  • September 26, 2006
  • 2 replies
  • 678 views
Posted on September 26, 2006 at 09:29

How long the RTC works with battery ,without power supply

    This topic has been closed for replies.

    2 replies

    N
    nanuradhaAuthor
    Visitor II
    May 17, 2011
    Posted on May 17, 2011 at 09:32

    What is the type of battery to be used and what is the voltage of the bty.

    Why there are two options for VDDQ from 2.7 to 3.3v,3.3 to 3.6v.What is the advantage for each option.please if anyone already sarted working give me the reply.

    regards

    Anuradha. :(

    [ This message was edited by: anuradha on 26-09-2006 06:28 ]

    K
    kais
    Visitor II
    May 17, 2011
    Posted on May 17, 2011 at 09:32

    Hello anuradha,

    Concerning the battery type it is a simple 3V button battery.

    Relating to VDDQ value range it is not an option: It depends on the power supply voltage in which the I/O ring operates(from 2.7V to 3.6V) to determine the VDDQ LVD Threshold.

    Regards,

    Eris

    Terms & ConditionsAccessibility statement