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rtc pcf85163 chip return back to 1970 issue

Question asked by h k on Aug 11, 2016
Latest reply on Aug 16, 2016 by h k

Hi all,


I have a mx28 board with a NXP PCF85163 rtc chip using i2c bus.


Recently I found when set the time to the last minutes of the year(take 2016-12-31 23:59:00 as an example), and one minute later rtc time turn to 1970-1-1 00:00:00


Test for any time but other than the last day of a year is OK.


Is this the chip's problem?       Any one came across similar problem ever?


Thanks in advance!