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brigg
Visitor II
November 25, 2008
Question

voltage levels of rd,wr,db0-7 on 5v 3433

  • November 25, 2008
  • 2 replies
  • 741 views
Posted on November 25, 2008 at 08:48

voltage levels of rd,wr,db0-7 on 5v 3433

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    2 replies

    B
    briggAuthor
    Visitor II
    May 17, 2011
    Posted on May 17, 2011 at 11:52

    I can not find anywhere that will tell me what the voltage levels of the data buss ale wr and rd signal in a 5 volt system

    Can anyone help me

    T
    tim5
    Visitor II
    May 17, 2011
    Posted on May 17, 2011 at 11:52

    These are MCU signals. The MCU is 3.3V on all models, it is only the PSD that can be 5V. Therefore these are 3.3V levels, ie 0.6V - 2.4V.

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