The purpose for this it to make the routing easier and less layers. It is common practice to do this in DDR designs.
You can use Kingston or Micron. Micron and Kingston are the same die. No changes needed in DDR termination. They are the same die. Gerald On Tue, Feb 16, 2016 at 8:09 AM, Chandan Kumar <[email protected]> wrote: > Hi Sir, > > We have designed a PCB with AM5728 processor,and we have kept beagle bone > X15 schema as reference. > > In Beagle board X15 schematics, in DDR3 section the data lines are not > connected in straight forward way(i mean data line 15 of ddr3 is given to > data line 10 of AM5728 and similarly in the same way for few other data > lines.Please answer me the following questions > > 1)Please provide me the purpose for connecting the DDR3 in the above said > way. > > 2)In beagle board X15 kingston make DDR3(D2516EC4BXGGB) is used and we > have used micron chip(MT41K256M16HA-125 :IT) . > > The schema for DDR3 is same as beagle board X15. > > 3)Do we need to change any configurations for using micron chip in the > kernel > > 4)Do we need to change the value of termination resistors used > > > Please answer the above questions as we have presently struck in uboot > level and there is problem in starting with the kernal > > Thanks, > Chandan > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Gerald [email protected] http://beagleboard.org/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
