• State Not Answered
  • Locked Locked
  • Replies 11 replies
  • Subscribers 22 subscribers
  • Views 1956 views
  • Users 0 members are here
Options
Related
How was your experience today?
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

query about rtc ds1307

arnica jain

hi sir,
i am new to this rtc ds1307 and want to know dat according to its datasheet it is battery backed....does that mean that you need not initialize it when you use it for the first time?????

and if i want to simulate it on proteus software it shows correct date and time automatically without writing it for the first time.....

i m unable to understand all this plzzz help me out....and i m sorry if i irritated you...

Parents
  • 0 in reply to ImPer Westermark

    See: www.8052.com/.../162556

    "changes to compiler version or optimization levels can result in huge differences in speed"

    Even without changing tool versions or optimisation settings, many things could still change the duration of your busy loop.

    Even apparently unrelated source code changes could change the duration of your busy loop.

    And, of course, the delay depends upon the clock frequency and whether the CPU has an "accelerated" core - have you checked these things?

Reply
  • 0 in reply to ImPer Westermark

    See: www.8052.com/.../162556

    "changes to compiler version or optimization levels can result in huge differences in speed"

    Even without changing tool versions or optimisation settings, many things could still change the duration of your busy loop.

    Even apparently unrelated source code changes could change the duration of your busy loop.

    And, of course, the delay depends upon the clock frequency and whether the CPU has an "accelerated" core - have you checked these things?

Children
No data