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Rowesca

Zybo schematic DDR A14

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Hello all,

i am designing my own board with the zynq and peaked at the zybo for a reference for the DDR3 because this is the frist time working with ddr3. I saw was that you are using the MT41J128M16JT-125, i also wantd to use this one, but i got confused by the fact that in the datasheet it says it does not have a A14 pin, only the x8 version but u have it in the schematic, am i missing something?

 

greets

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Hello Rowesca,

You are right, in the X16 model, the A14 pin address is not routed, however, we decided to route it for future development, in case we want to change the DDR version in future revisions. It is routed but unused,

Best regards,

Bianca

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