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  1. #1
    Registered User
    Join Date: Apr:2005
    Location: Sofia
    Posts: 14

    -

    , , , . - , , , , . . . - , USB , , , -.
    . , . M24C04, 4Kbit I²C Bus EEPROM. - .
    . , Write control. :

    Write Control (WC). This input signal is useful
    for protecting the entire contents of the memory
    from inadvertent write operations. Write operations
    are disabled to the entire memory array when
    Write Control (WC) is driven High. When unconnected,
    the signal is internally read as VIL, and
    Write operations are allowed.
    When Write Control (WC) is driven High, Device
    Select and Address bytes are acknowledged,
    Data bytes are not acknowledged.

    :

    images.mercateo.com/pdf/Farnell/4339.pdf


    +5V, , ? $500 .

  2. #2
    Registered User Stefo's Avatar
    Join Date: Jun:2003
    Posts: 2,089
    Quote Originally Posted by TheOldMan
    ...Write control ... +5V, , ? $500 .
    ...
    ... / ...
    +5 - "1", .. ...
    R/W Enable ."0", +5 ... ...

    - ... (*)
    - ... ...
    ...

    ... , , ... ...
    , CD/ ...

    (*) ...

    / - /-/, / ... "-" ...
    - ...
    Last edited by Stefo; 9th April 2005 at 13:47.

  3. #3
    Registered User
    Join Date: Apr:2005
    Location: Sofia
    Posts: 14
    Xerox Phaser 3420. Xerox , . , . 50- . . , .
    , . .

    +5V - 5- ? , ?

    ? ?

  4. #4
    Registered User Stefo's Avatar
    Join Date: Jun:2003
    Posts: 2,089
    Quote Originally Posted by TheOldMan
    ... ? ?
    -
    PonySmall - 19 .
    PonyProg - 39 .
    ... ...
    http://programatori.hit.bg/ ...

    ... 240 ... ...
    ...

    Quote Originally Posted by TheOldMan
    ... +5V - 5- ? , ? ...
    , "", ...
    Last edited by Stefo; 11th April 2005 at 14:35.

  5. #5
    Registered User
    Join Date: Apr:2005
    Location: Sofia
    Posts: 14
    ? ? EPSON ,
    Last edited by TheOldMan; 11th April 2005 at 14:28.

  6. #6
    Registered User Stefo's Avatar
    Join Date: Jun:2003
    Posts: 2,089
    Quote Originally Posted by TheOldMan
    ... EPSON ,
    ... :
    http://www.startcopy.ru/repair/c_x3450.htm
    http://www.adamaster.ru/info/faq/rem...3450_chip.html
    ..

    /
    ...
    , ...
    / /, ...

    ... ...
    - ... /joke
    Last edited by Stefo; 11th April 2005 at 15:00.

  7. #7
    Registered User
    Join Date: Apr:2005
    Location: Sofia
    Posts: 14
    offtopic, .

    XEROX
    :

  8. #8
    Registered User
    Join Date: Apr:2005
    Location: Sofia
    Posts: 14
    Stefo

    10 , .
    . USB-, (2,50 - ). .

    , eprom-, XEROX 3450 - 5000 10000 . , .

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