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HELP! read data from ADS1675

Ben Shyong
Prodigy 10 points
Other Parts Discussed in Thread: ADS1675

Hi,

I am trying to use LabVIEW to develop FPGA code that will read the data from the ADS1675.  This code would be compiled for use on the NI PCI-7811R board.  

I looked at the data sheet for the ADS1675, but I have trouble understanding how to read the converted data from the chip.  Can someone please explain how I should go about this?

I appreciate the help!  

Thanks,

Ben

  • 0
    TI__Guru**** 181021 points

    Hi Ben,

    Welcome to our forum!  What sort of problems are you having reading data from the ADS1675?  Is it in getting the device to talk to your FPGA or just in the interpretation of the digital output codes?  How is your hardware configured, are you running the ADS1675 in LVDS or CMOS mode?  Can you provide a schematic and/or any timing diagrams from your current setup?

  • 0 in reply to Tom Hendrick
    TI__Guru**** 181021 points

    Hi Ben,

    I have an e-mail showing that you posted a follow up question, but there is nothing here...

    If you use the external serial clock option, you would need to monitor DRDY - when you see the DRDY pulse, you would issue a burst of clocks (like and SPI interface) to retrieve the conversion results.