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???
04/09/07 13:04
Modified:
  04/09/07 13:05

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#136840 - yes, you can
Responding to: ???'s previous message
see for an example here:

http://www.pjrc.com/tech/8051...dware.html

What you want to do is memory-mapped I/O, and although the above schematic addresses an external RAM chip, there is no difference in addressing a RAM chip vs Memory-mapped I/O...

here a memory mapped LCD (44780)
http://homepage.hispeed.ch/peterfleu...44780.html

and although this applies to an avr, it is similar (but not equal) to an 8051

regards

Patrick



List of 5 messages in thread
TopicAuthorDate
Stand alone 8051 address and data lines            01/01/70 00:00      
   RTFM            01/01/70 00:00      
   yes, you can            01/01/70 00:00      
      Why not use the data space?            01/01/70 00:00      
         data bus            01/01/70 00:00      

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