Lpc2000

I have a project about to start with LPC2214 and DM9000E for Enet interface, but I have external memory.

What CPU are you using?  Are you trying to get the DM9000 to access the SRAM inside the LPC part?  Not sure if any of the LPC parts have DMA pins for such a purpose.  

Chris.

  ----- Original Message ----- 
  From: rohan patil 
  To: lpc2000@yahoogroups.com 
  Sent: Tuesday, April 18, 2006 11:36 PM
  Subject: [lpc2000] DM9000 interface


     hi everybody..
  please give me solution for follwing.

  i m interfacing dm9000 ethernet controller ic with
  microcontoller

  i have used memory mapping for interfacing it.

  cmd pin is connected to adress line A2
  Chip sellect CS is generated by A17=0,A18=1,A19=0
  AD0 to AD15 lines are used for address data port of
  dm9000
  so veriable DMADDR is at address 40000h
  & DMDATA is at address 40004h;

  Read write lines of microcontroller are properly
  connected to dm9000

  in this way can i access the address & data ports of
  dm 9000 by accessing DMADDR & DMDATA?


  Please help!!!!


  Regards

  Rohan Patil




              
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