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ADuC7026 XMxPAR[15] behavior

Question asked by tmineno Employee on Jul 23, 2014
Latest reply on Aug 8, 2014 by tmineno

Hi All,

 

According to datasheet(revF), setting XMxPAR[15] allows byte write capability without using BHE and BLE for two 8 bit memory sharing the same memory region.

Now, I have following question about this behavior.

 

When set XMxPAR as 0xF0FF and write data to two 8bit external memories,

  1. how about detail of connections between ADuC7026 and external memories?
    Could you give me a schematics explaining it?
  2. what is the correct timing of output signals from A0:A15 and WS?
  3. what is the correct timing of writing to two memories?

 

Thanks for your help.

 

Regards,

TM

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