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???
07/02/10 04:39
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Msg Score: +1
 +1 Good Answer/Helpful		 #177045 - Looks Posible
Responding to: ???'s previous message
It Looks Possible in the data-sheet. You can connect a P/S2 Keyboard or Mouse directly to an 8052 Chip. There is plenty of code floating around.

P8755 why? It is really Old? and how will you program it? An 8255 and an EEPROM (Or Flash) would be less obsolete.
A modern chip with built in RAM is a much better choice. Some have a bootloader so you do not need a special chip programmer.

List of 38 messages in thread
TopicAuthorDate
Interfacing W83C43\P8755 with 8052 family            01/01/70 00:00      
   Looks Posible            01/01/70 00:00      
      less, but still            01/01/70 00:00      
         not necessarily the case            01/01/70 00:00      
   Please Describe the Situation...            01/01/70 00:00      
      the Situation...            01/01/70 00:00      
         OK            01/01/70 00:00      
            microcomputers            01/01/70 00:00      
               renamed??            01/01/70 00:00      
                  Sorry            01/01/70 00:00      
                  maybe today ... but back when they were popular ...            01/01/70 00:00      
                     and yet you advocate ...            01/01/70 00:00      
                        What?            01/01/70 00:00      
         Good luck with that ...            01/01/70 00:00      
            Serial EEPROM            01/01/70 00:00      
               does the 8051 family support I2C?            01/01/70 00:00      
         Do they actually work?            01/01/70 00:00      
            You have the same question with "new" parts            01/01/70 00:00      
               I don't know about the US...            01/01/70 00:00      
                   I do know about the US...            01/01/70 00:00      
                     Good deliveries            01/01/70 00:00      
               pure paranoia            01/01/70 00:00      
   i8755 wasn't exclusively for the 8048 family            01/01/70 00:00      
      Mr anachronism            01/01/70 00:00      
         My point was ...            01/01/70 00:00      
            name one            01/01/70 00:00      
               consider the O/P's situation            01/01/70 00:00      
                  voltage regulators            01/01/70 00:00      
                     Programming old parts            01/01/70 00:00      
                        And if putting out ~100$ US...            01/01/70 00:00      
                        throwing good money after bad            01/01/70 00:00      
                     Catch 22            01/01/70 00:00      
                        The catch is            01/01/70 00:00      
                           Yes            01/01/70 00:00      
                           it depends on what your goals are            01/01/70 00:00      
                              True - but check how the goal was set            01/01/70 00:00      
                                 Sometimes it is easy to justify, sometimes not            01/01/70 00:00      
               RE: "no value" (sic)            01/01/70 00:00      

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