MAX232 and DB9 connecter


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  1. #1
    Join Date
    Mar 2004
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    Manila
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    Default

    hi,

    pin 2 of PC serial com (DB9) is RX.... so you have to connect here the TX of your board

    pin3 of PC serial com(DB9) is TX... so you have to connect here the RX of your board

    pin 5 of PC serial com(DB9) is GND... so yuo have to connect here the GND of your board.

    hope this help
    brenda

  2. #2
    Join Date
    Sep 2003
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    INDIA
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    Default Solid State MEMS Inclinometer Model SQ-SI2X-360DA

    Just wanted to raise another querry on this old thread , without starting a new one.

    I am interested in interfacing the above mentioned Inclinometer to the PIC and displaying the relevant information on the LCD.

    My target MCU is 16F877A @ 20Mhz.

    One of the problems I am facing is how to interface the PIC at 115,200 or 56,700 baud to read the information from this sensor.

    Any help would be appreciated.

    regards

  3. #3
    Join Date
    Feb 2005
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    Kolkata-India
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    Question What is your crystal frequency ?

    Hi Charu,

    Please post your crystal frequency. The baud rate generator works for certain rates at certain crystal frequecy. Otherwise you have to do away with the hardware USART and have a asm based routine. It is also possible with PBP. But then you are left with little processing or housekeeping
    Regards

    Sougata

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