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What is the lowest power state for LPDDR SDRAM?

Question asked by Nathan Palmer on Jul 18, 2013
Latest reply on Jul 18, 2013 by Yuri Muhin

I have a legacy design that includes an iMX27 and LPDDR.  I am trying to take some measurements of the system power with various components powered off (or close to it) to calculate board overhead.  


I would like to disable the SDRAM, but I don't know if just not configuring it is enough to set it in the lowest power mode.  I am running application code from internal SRAM so I don't need the SDRAM at all.  How do I power it off (or close to off) from the iMX27?  Is there a mode I can put the SDRAM in that is essentially off?