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???
01/25/06 18:05
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 		 #108295 - Atmel and Phillips
Responding to: ???'s previous message
Atmel and Philips still do DIP 8052s with on chip Flash - and that gives you all the port pins straight away. I have redone one of our legacy systems with their chips, to do away with the 8255.

Steve

List of 55 messages in thread
TopicAuthorDate
please help me            01/01/70 00:00      
   Clock freq            01/01/70 00:00      
   Reset ?            01/01/70 00:00      
   please help me            01/01/70 00:00      
      Probe            01/01/70 00:00      
         8255 PROBLEM            01/01/70 00:00      
            Reset 8255            01/01/70 00:00      
   Memory Map            01/01/70 00:00      
   please help me            01/01/70 00:00      
      Scope            01/01/70 00:00      
         8255 address?            01/01/70 00:00      
   Memory Map part 2            01/01/70 00:00      
   isn't this fun            01/01/70 00:00      
      for once, I've got to agree            01/01/70 00:00      
         please help me            01/01/70 00:00      
            8255 - EXTERMINATE!!!!            01/01/70 00:00      
               Cool            01/01/70 00:00      
                  Some I/O expansion, some nostalgia            01/01/70 00:00      
                     Even Better 74xx573            01/01/70 00:00      
                        or - even better?            01/01/70 00:00      
               more easily said than done            01/01/70 00:00      
                  selling "haystacks" is criminal            01/01/70 00:00      
                     Huh?            01/01/70 00:00      
                        see ad in EE times            01/01/70 00:00      
                           Hobbyist            01/01/70 00:00      
                              max 7103            01/01/70 00:00      
                                 location            01/01/70 00:00      
                           $13? For what? What pitch, tolerance?            01/01/70 00:00      
                              He's English.            01/01/70 00:00      
                                 None, I hope            01/01/70 00:00      
                                    Reliable ?            01/01/70 00:00      
                                       Yes, I like 'em too ...            01/01/70 00:00      
                                          Never wire wrapped            01/01/70 00:00      
                                             You don't have to wire-wrap to benefit            01/01/70 00:00      
                              read the ad            01/01/70 00:00      
                  Atmel and Phillips            01/01/70 00:00      
            please help me, why on earth should we            01/01/70 00:00      
   please help me            01/01/70 00:00      
      for the Philips P89V51Rx2 and the P89C66            01/01/70 00:00      
         Atmel too            01/01/70 00:00      
            Are You Sure            01/01/70 00:00      
               Don't worry            01/01/70 00:00      
   Understand your system            01/01/70 00:00      
   please help me            01/01/70 00:00      
      Please don't answer            01/01/70 00:00      
         What is the clock of your system            01/01/70 00:00      
            Maybe you should use the 8155?            01/01/70 00:00      
               if it has to be some such thing, then by            01/01/70 00:00      
   Why?            01/01/70 00:00      
      never heard of 8155            01/01/70 00:00      
         well ... few of us have heard of it, but            01/01/70 00:00      
            RIOT            01/01/70 00:00      
               OK ... but that's not what the OP wants.            01/01/70 00:00      
                  There is one enormous difference between            01/01/70 00:00      
   Maybe this will help.            01/01/70 00:00      

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