Hello,
Below you can find some threads with information regarding LPDDR2:
https://community.freescale.com/docs/DOC-94922
https://community.freescale.com/message/402676
https://community.freescale.com/message/409281
https://community.freescale.com/message/399225
Hope this will be useful for you.
Best regards!
/Carlos
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