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???
10/15/07 15:54
Modified:
  10/15/07 15:54
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Msg Score: +1
 +1 Informative		 #145770 - It doesn\'t have to be complicated
Responding to: ???'s previous message
As I said before, all an EPROM programmer needs is a source, MCU or otherwise for the addresses and data, a timer for the nPGM signal (the MCU can do this very well, though a one-shot will work, too), and high-current (~50mA) switch for Vpp, which can be a debounced SPDT switch, and a power supply.

RE




List of 30 messages in thread
TopicAuthorDate
8052 as EPROM programmer            01/01/70 00:00      
   there's much more in an EPROM programmer...            01/01/70 00:00      
      Serial EEPROM programmer            01/01/70 00:00      
         89c51 And USB port            01/01/70 00:00      
      spesific location            01/01/70 00:00      
         try links from...            01/01/70 00:00      
            Didn't found it            01/01/70 00:00      
               two clicks away            01/01/70 00:00      
      Pin Driver            01/01/70 00:00      
         Actually ...            01/01/70 00:00      
            pin driver not necessary...            01/01/70 00:00      
               definitions ...            01/01/70 00:00      
                  To complicated            01/01/70 00:00      
                     It doesn\'t have to be complicated            01/01/70 00:00      
                        Counter address and data serial to parallel            01/01/70 00:00      
                           ... and a timer            01/01/70 00:00      
                              Software at PC is great problem            01/01/70 00:00      
                                 No PC software necessary?            01/01/70 00:00      
                                    did you had info similiar project            01/01/70 00:00      
   Which EPROM types?            01/01/70 00:00      
      For Flash...            01/01/70 00:00      
   EPROM still alive ?            01/01/70 00:00      
      Another Scrapheap Challenge?            01/01/70 00:00      
         old 27CXXX(UV Eprom)            01/01/70 00:00      
            this is what I'm talking about            01/01/70 00:00      
      yes            01/01/70 00:00      
   Did someone had info about Eprom programmer            01/01/70 00:00      
      What more do you need?            01/01/70 00:00      
   How to download the hex file into 8051.            01/01/70 00:00      
      faq            01/01/70 00:00      

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