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P1022 DDR3 Clk Range

Question asked by nishad kamdar on Oct 29, 2013
Latest reply on Oct 31, 2013 by Hermann Ruckerbauer

I am using a Custom board with P1022 Processor on it.


I was going through the P1022DS reference manual which says that the DDR3 Clock is Asynchronous and is set at a frequency of 667MHz.


However, the Design Checklist of P1022 Processor (AN4343 Page 14) says that the maximum frequency for DDR3 Controller is 400MHz.


Could someone explain how will this work?


Is there something i am missing here ?