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Thread: Please review my design....

  1. 29th May 2006 05:03 PM #1
    perpetual_dream
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    Default Please review my design....

    Hey,
    I designed this schematic diagram for a RS-232, PIC16F628 microcontroller and a stepper motor. The aim of the design is to control the stepper motor from the serial port through a microcontroller interface. I am not sure about what should be connected to the oscilattor inputs of the microcontroller if any. plz review my hole design... I know that I have asked many questions so far on this subject but excuse me Im really busy working on a c# code for the same project and do really need ur help when it comes to the microcontroller phase of the project at which it's my 1st working project.
    Please find my design attached.
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  2. 30th May 2006 06:35 AM #2
    akg
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    ur ckt around the 1489 and PIC is incomplete . i would prefer u first take a look at
    http://winpicprog.co.uk/pic_tutorial_rs232_board.htm
    and USART section of 628A datasheet
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  3. 2nd June 2006 06:51 AM #3
    perpetual_dream
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    Ok this is my new design
    Can u review it now ? I used Nigel Goodwin tutorial
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  4. 2nd June 2006 11:41 AM #4
    akg
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    i didn't check around the driver , but the dia seems to be ok.. but u have not connected the T* pins .
    Gods own Country
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  5. 3rd June 2006 04:52 AM #5
    perpetual_dream
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    What are the T * pins?
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  6. 3rd June 2006 08:34 AM #6
    akg
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    the TIN/TOUT pins .. don't u require that .?
    Gods own Country
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  7. 3rd June 2006 04:52 PM #7
    perpetual_dream
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    dont think so.... what are they 2b used for? are they for the microcontroller?
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  8. 3rd June 2006 06:58 PM #8
    Nigel Goodwin
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    Quote Originally Posted by akg
    the TIN/TOUT pins .. don't u require that .?
    He doesn't need them, he's only receiving, not transmitting.
    PIC programmer software, and PIC Tutorials at:
    http://www.winpicprog.co.uk
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  9. 4th June 2006 05:48 AM #9
    perpetual_dream
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    ok thnx
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  10. 5th June 2006 05:57 AM #10
    akg
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    Quote Originally Posted by Nigel Goodwin
    He doesn't need them, he's only receiving, not transmitting.
    i overlooked his aim
    Gods own Country
    Incredible !ndia

    www.flickr.com/photos/_akg/

    "Give a man a fish, and he will eat for a day. Teach that man to fish, and he will eat for a lifetime."
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