[En-Nut-Discussion] Mapped memory extension

Martin Kresse m.kresse at cut5-systemhaus.de
Wed Sep 17 13:16:01 CEST 2003


 >>0x8000 - 0xB7FF:    memory mapped I/O (e.g. Ethernet controller),
 >>segmented in 8 x 2kb regions

 >The advantage of moving memory mapped I/O to upper addresses
 >is, that you can specify additional wait states for this
 >region.

I feared that. Does the IDE extension using the XC9572 need any waitstates?

Is there any way to move the base address of the NIC controller of an 
existing Ethernut 1.3 into the 0xC000-0xFFFF range?

Martin




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