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How 89c52 mcu work as Keyboard Controller?

Discussion in 'BASCOM 8051 Projects & Doubts' started by swati64, May 14, 2011.

  1. swati64

    swati64 New Member

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    Hii all...
    I have to design keyboard controller using 89c52 microcontroller...So any body knows how will it works??? also I want ASM code for it..
    Plz help me if any one knows...


    Regards
    Swati
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  2. pratheek

    pratheek New Member

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    If you are planning to use a computer keyboard, then they use the PS/2 interface. It has been greatly documented and you will find plenty of resources for interfacing with these keyboards. Do search the internet and the forum itself for further information.
  3. Damon

    Damon New Member

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    I read that links.. but i Have problem that I m interfacing one end of 89c52 with Rs-232 cable and other end to keyboard i.e. clk,data,gnd,vcc is going to keyboard of controller...but I want to design that my 89c52 mcu is work like keyboard controller..
    plz help me..

    security systems
  4. shree4u

    shree4u New Member

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    Please configure PS2 using GPIO PINS. but if want to communicate with RS232 interface u can use serial (UART) program directly
  5. ChinaAlite

    ChinaAlite New Member

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    I don't use the enhanced search function, just use the standard search from the VM Module on my website.

    I want to track what people are searching for. How can I do that?

    Any hints?
  6. Alexli

    Alexli New Member

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    These workarounds helped me again;)
  7. Alexli

    Alexli New Member

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    ASM is an all purpose Java bytecode manipulation and analysis framework. It can be used to modify existing classes or to dynamically generate classes, directly in binary form. ASM provides some common bytecode transformations and analysis algorithms from which custom complex transformations and code analysis tools can be built. ASM offers similar functionality as other Java bytecode frameworks, but is focused onperformance. Because it was designed and implemented to be as small and as fast as possible, it is well suited for use in dynamic systems (but can of course be used in a static way too, e.g. in compilers).
  8. YuliaPhava

    YuliaPhava New Member

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