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Drive K64 EXTAL32 with signal from PCF2123

Question asked by Vincent Fillatre Employee on Jul 13, 2017
Latest reply on Jul 17, 2017 by EARL GOODRICH

I am currently designing  an application based on K64F. It also includes an external RTC (NXP PCF2123). To save one 32.768kHz crystal I would like to use the clock output of the PCF2123 (open drain)# to drive the K64F. Could you please advise me if such a configuration is possible an how to configure the K64F to do so.

Thanks in advance for your answer.

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