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Measuring Frequency using PERIOD register of ADE7763

Question asked by umeshwalkar on Dec 26, 2012
Latest reply on Jan 7, 2013 by hmani

Hi friends,


I am unable to understand how can i calculate real word Frequency using PERIOD register value.


In ADE7763 datasheet, i read that when CLKIN=3.579545MHz and line frequency is 60HZ, PERIOD register value will be approximately 7457d.


so, in my setup, with considering all default settings and CLKIN=3.579545MHz,

I am getting PERIOD register value is 0x2330; then what will be the real world frequency in Hz.