Avi,
I am checking this with the DDR HW experts.
Meanwhile, in the below post is attached the DDR3 JEDEC specification (JESD79-3E) which should be used for DM814x device. Is this the same JEDEC specification that you are using/referring to?
http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/716/p/276961/974311.aspx#974311
Regards,
Pavel