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???
10/09/09 14:29
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 		 #169589 - Programming 8748-series MCU's is documented
Responding to: ???'s previous message
The early datasheets for i8748 and i8749 MCU's included a programming specification. It's not terribly difficult to implement, if that's your goal.

You could probably do that with a PC that has a parallel port, if you need to do it.

Most standalone, and also low-cost "briefcase" programmers can do that, too.

Every other year or so I get a request to do something that involves an 8748/49, so I still have that stuff.

No, I haven't seen the Elector article to which you refer. However, if you have a schematic, I doubt it would be difficult to construct.

It all depends on what your goal is.

RE






List of 28 messages in thread
TopicAuthorDate
PCB for Elektor's 8052AH-BASIC project            01/01/70 00:00      
   Programming 8748-series MCU's is documented            01/01/70 00:00      
      You could probably do that on a PC that has a parallel port            01/01/70 00:00      
         Why, gentlemen ....            01/01/70 00:00      
            What would a newer MCU help?            01/01/70 00:00      
               help? maybe not, but save a lot of time            01/01/70 00:00      
                  It's what he said he wants            01/01/70 00:00      
                     Right here!            01/01/70 00:00      
                     why I want to program 8748's.....            01/01/70 00:00      
                        Electronics Today International            01/01/70 00:00      
                           Elektor PCB            01/01/70 00:00      
                              Those were the days...            01/01/70 00:00      
                           I recently pitched my old tapeup stuff ...            01/01/70 00:00      
                        EPROM programming            01/01/70 00:00      
                           8748 programming with the 8052AH-BASIC            01/01/70 00:00      
                              It's not a tough job.            01/01/70 00:00      
                              Well, since you ask            01/01/70 00:00      
                        Old chips            01/01/70 00:00      
                           Outdated? So what? The wheels still turn ...            01/01/70 00:00      
                              if you included EVERYTHING            01/01/70 00:00      
                                 Let him do what he wants!            01/01/70 00:00      
                                    mixing things up again            01/01/70 00:00      
                                       maybe not so much as you imagine            01/01/70 00:00      
                           Old Chips - Already Answered!            01/01/70 00:00      
   No need for the PCB            01/01/70 00:00      
      Good stuff            01/01/70 00:00      
   Elektor Website?            01/01/70 00:00      
   Intel 8052 AH Basic            01/01/70 00:00      

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