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Using my CH341A.

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    #41
    Re: Using my CH341A.

    Originally posted by newguy90 View Post
    I successfully read and wrote in circuit the 93c56 and 93A56 EEPROM's. I didn't have to power on the circuit, I just used the SOIC8 test clip with the interface
    that I built!
    I could not use the CH341a though, so I have no use for that interface... at least for now.
    newguy90, I am working through a similar problem that you did, do you mind doing a quick writeup of what you did to get this to work? It sounds like you didn't use the CH341 usb programmer/software, but connected directly to the chip through a serial port? I wasn't sure where the drawing you redlined came from, or if that was the final version that you used. Thanks.

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      #42
      Re: Using my CH341A.

      Check this site, it has some information: https://hw-server.com/serial-eeprom-programmer
      or do a google search for "93c56 programmer"
      Also see here http://www.lancos.com/prog.html for ponyprog

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        #43
        Re: Using my CH341A.

        if you dont want to build something,
        another option is this!

        i just recieved one yesterday - very capable for the price!
        http://www.xgecu.com/EN/TL866_main.html
        http://www.aliexpress.com/item/32992209964.html
        (and it can work in Linux as well as windows)

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          #44
          Re: Using my CH341A.

          can you share exactly how you got the 3.3v working?
          what pins you tied together or what jumper settings you used?
          Thanks

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            #45
            Re: Using my CH341A.

            3.3v on what adapter?

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              #46
              Re: Using my CH341A.

              Originally posted by beekerc69 View Post
              can you share exactly how you got the 3.3v working?
              what pins you tied together or what jumper settings you used?
              Thanks
              https://www.youtube.com/watch?v=Hwnz...nnel=AdamantIT

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