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BF547 EBIU_DDRCTL0 tREFI Calculation

Question asked by spflanze on Jan 13, 2013
Latest reply on Jan 17, 2013 by Andreas

I am looking at how the EBIU_DDR register values are calculated for a BF-547. In the hardware reference manual's "Figure 5-3. Memory Control Register 0" there is something that confuses me for tREFI. In its description there is the phrase "Then divide the result by total time".

 

The "total time" of what?

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