[En-Nut-Discussion] a LAN91C111 question?

[danny-cvs]

Becuase maybe it difficult to me for bank switching , so I might try to use a decoder IC to reserve a small space for LAN chip. From your point of view, how much space is enough?
  ----- Original Message ----- 
  From: Alastair Jeremy 
  To: en-nut-discussion at egnite.de 
  Sent: Thursday, April 17, 2003 10:24 AM
  Subject: RE: [En-Nut-Discussion] a LAN91C111 question?


  Map your 64K so it does not appear as flat 64k, put a bank switching in & have a big "hole" somewhere (eg. 16kb) that you can put the LAC91C111 chip in, as well as other things.
   
  Alternatively make the address decoding "leave out" SRAM in a small location, and put the LAN chip in there instead.
   
  Regards,
   
  Alastair
    -----Original Message-----
    From: en-nut-discussion-admin at egnite.de [mailto:en-nut-discussion-admin at egnite.de]On Behalf Of danny-cvs
    Sent: Thursday, 17 April 2003 11:52 AM
    To: en-nut-discussion at egnite.de
    Subject: [En-Nut-Discussion] a LAN91C111 question?


    I now refer to ethernut 2 prototype to develop my board, and I have a question:
    when I use 64K SRAM, how can I avoid the conflict of LAN91C111's base address?
    Best Regard
    Danny Lu 

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