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SDRC CS0 and CS1 Configuration

ler
Expert 1070 points

I have attached to my SDRC bus, two banks of 256MB SDRAM.  CS0 is based at address 0x80000000.

 

Question:  Can I base my CS1 address to be 0x90000000 or do I have to set it at 0xA0000000?  It is

not clear to me whether I can do this (or not).

 

Thanks.

  • 0
    Prodigy 80 points

    In the TRM you should be able to change the CS1 start address - see "1.2.4.4.1.2 Chip-Select 1 Start Address". Although I suspect you may have the same issue as me... Ostensibly CS0 can only address 128MB of address space so your first bank might be truncated! I'm not sure how to get around this yet...

    ~Pev