Email: Password: Remember Me | Create Account (Free)

Back to Subject List

Old thread has been locked -- no new posts accepted in this thread
???
03/28/06 17:01
Modified:
  03/28/06 17:02
Read: times


 		 #113311 - The only purpose was...
Responding to: ???'s previous message
Andy said:
Only one address bus - but accesses to the Code locations are "qualified" by /PSEN, and accesses to the external Data locations are "qualified" by /RD or /WR

Thanks, for remembering this...

The only purpose of this example was to show how this 74HC138 works, how it divides the 64Kbyte address space into 8Kbyte segments.
Yes, I should have been more carefully and I apologize if someone could misinterpret my lines.

Kai


List of 58 messages in thread
TopicAuthorDate
How to decoder the memory address?            01/01/70 00:00      
   decoding already inside            01/01/70 00:00      
      That's not fair!            01/01/70 00:00      
         ???            01/01/70 00:00      
            Maybe unfair was the wrong way to put it            01/01/70 00:00      
               why Flash esoteric ???            01/01/70 00:00      
                  So ... where's the decoding?            01/01/70 00:00      
                     decoding in practice            01/01/70 00:00      
                        This is not a personal attack, Peter            01/01/70 00:00      
                           actually            01/01/70 00:00      
                              I don't disagree            01/01/70 00:00      
                                 hardly            01/01/70 00:00      
                                    what he asked was:            01/01/70 00:00      
                           R. E            01/01/70 00:00      
                              Not exactly            01/01/70 00:00      
                                  Sorry Richard I was a little more            01/01/70 00:00      
                              there is an ignore function available            01/01/70 00:00      
                                 that is how I currently do it            01/01/70 00:00      
                                    drop the flat mode, go threaded            01/01/70 00:00      
   There's a way, once you've decided            01/01/70 00:00      
   The first step            01/01/70 00:00      
      Requirements, a most important variable            01/01/70 00:00      
         I'm not a machine            01/01/70 00:00      
   RE: How to decoder the memory address?            01/01/70 00:00      
      it's bible time            01/01/70 00:00      
   Don't look bad each others please            01/01/70 00:00      
      74HC138            01/01/70 00:00      
      why do you refuse to read "the bible"            01/01/70 00:00      
         What chapter will answer his question?            01/01/70 00:00      
            I never answer that            01/01/70 00:00      
               Who's joy? Yours??            01/01/70 00:00      
                  places "the bible"            01/01/70 00:00      
                     Just answer the question            01/01/70 00:00      
                        then why did you not give him an answer            01/01/70 00:00      
                           because I'm just as bad as you, Erik            01/01/70 00:00      
         Not this time            01/01/70 00:00      
            You're right, and he knows it            01/01/70 00:00      
      Interesting link            01/01/70 00:00      
      Example            01/01/70 00:00      
      questions, guesses and comments            01/01/70 00:00      
         Now, was that so hard?            01/01/70 00:00      
            silliness was never here            01/01/70 00:00      
               Well, perhaps not, but ...            01/01/70 00:00      
                  So when?            01/01/70 00:00      
      RE: Don't look bad each others please            01/01/70 00:00      
   Don't look bad each others please            01/01/70 00:00      
   I do not understand            01/01/70 00:00      
   Addressing 101            01/01/70 00:00      
   Why using this processor pins left...?            01/01/70 00:00      
      What chips?            01/01/70 00:00      
      What is the problem?            01/01/70 00:00      
         Explaination            01/01/70 00:00      
            I just remembered 22V10            01/01/70 00:00      
            Be careful            01/01/70 00:00      
               How many address buses do you see?            01/01/70 00:00      
                  On the busses            01/01/70 00:00      
                     The only purpose was...            01/01/70 00:00      
                        The question has been well addressed            01/01/70 00:00      

Back to Subject List