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Explorer
Explorer
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Registered: ‎05-31-2015

Interfacing LPDDR to microblaze

Hello,

 

           I am doing a design with some portion in VHDL and some in microblaze. I am writing to LPDDR with VHDL code. I am writing in a single location say 0x4000000 some data say 0x345. when I read back from DDR I get 0x345 from 0x4000000, 0x8000000 ,0xC000000 and so on. why does this happen? The data repeats itself after 0x4000000. Attached is the VHDL program writing to LPDDR and .mhs file for MPMC controller in microblaze. Please suggest why this repetition happens when I write to a single memory location only...

 

           Thanks in advance

 

With regards

Shalini

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