pic18f8680 interface with ltc1854(adc),SPI

Discussion in 'Embedded Systems and Microcontrollers' started by electronx.x.2, Nov 25, 2011.

  1. electronx.x.2

    Thread Starter New Member

    Nov 25, 2011
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    0
    i m new to controller,and i m having problem in interfacing ltc1854 with pic controller.,., through spi,.,.

    i tried to much ,., i m sending data,.,. through controller, being checked by me on oscilloscope. the master(pic18f8680) sdo, read, clk, all are sending data,., but adc is not responding,.,. slave(adc) 'sdo' is not respoding ,.,. plz help.,.


    my mgr gave me deadline.,., plz help, :( :confused:
     
  2. thatoneguy

    AAC Fanatic!

    Feb 19, 2009
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    Are you calling the correct address for the ADC?

    Spinnaker has been heavily involved with SPI of late, hopefully he can chime in.
     
  3. electronx.x.2

    Thread Starter New Member

    Nov 25, 2011
    2
    0
    yes i m, calling it,i check out my master(pic) sdo on oscilloscope,.,. and i confirm it form data sheet., :(
     
  4. spinnaker

    AAC Fanatic!

    Oct 29, 2009
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    Are you using the Microchip SPI library?
     
  5. MrChips

    Moderator

    Oct 2, 2009
    12,440
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    I would suggest you submit both the schematic and your code for examination.
     
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