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Writing bulletproof real-time clock control code

Posted: 16 Jun 2014  Print Version  Bookmark and Share

Keywords:real-time clock  microprocessor  device initialisation  code sequencing  timekeeping 

When we read a clock, as we have all done since childhood, our eyes 'take a snapshot' of the present displayed values.

Someone has already gone through the effort to reorient that display for your readability. When the microprocessor needs to access the real-time clock, the 'snapshot' of the latest register values must be reoriented into a sequence of time counts that we are more familiar with.

With the use of proper device initialisation and code sequencing, accurate timekeeping and clock alarm operations become a more manageable task.

View the PDF document for more information.

Originally published by Maxim Integrated Products Inc. at www.maxim-ic.com as "Tips for Writing Bulletproof Real-Time Clock Control Code".





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