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???
12/03/09 02:09
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#171416 - the "PROG" pin has other purpose
Responding to: ???'s previous message
IIRC, the PROG pin is required for use with the i8243.

If I had ready access to my databooks, now in about 100+ boxes, having been moved over the past few months, but not yet unpacked, I could scan the relevant pages for you. Sadly, that's not presently an option.

I can't imagine how one would "read" the program store content, as not one of my programmers has any entry or algorithm for the i802x parts, since they were not field-programmable, but were offered with masked-rom only.

RE










List of 21 messages in thread
TopicAuthorDate
Anyone work with the 8048?            01/01/70 00:00      
   Info            01/01/70 00:00      
      I did not have to pay...            01/01/70 00:00      
   about those MCU's            01/01/70 00:00      
      can the ROM be read?            01/01/70 00:00      
         I have a schematic            01/01/70 00:00      
            Datasheet?            01/01/70 00:00      
               the "PROG" pin has other purpose            01/01/70 00:00      
                  production testing            01/01/70 00:00      
                     silly me            01/01/70 00:00      
                        Looks Good!            01/01/70 00:00      
            doesn't the datasheet make that clear enough?            01/01/70 00:00      
   I Have Data            01/01/70 00:00      
      I will email you            01/01/70 00:00      
         Host An FTP Transfer            01/01/70 00:00      
            He has to get the file to you            01/01/70 00:00      
               That's what the FTP site is for!            01/01/70 00:00      
                  Site Setup.            01/01/70 00:00      
                     Email Undeliverable            01/01/70 00:00      
                        uploaded            01/01/70 00:00      
   More old interesting intel stuff            01/01/70 00:00      

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