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ADS8688EVM-PDK: Need to verify Interface

Sukumar M
Prodigy 20 points
Part Number: ADS8688EVM-PDK
Other Parts Discussed in Thread: ADS8688

Tool/software:

Dear Team,

I need your help. For interfacing my Controller board to ADS8688EVK-PDK board. Is it possible to Capture ADC data in ADS8688EVK-PDK board and sent to my controller board. if possible, how to Connect and receiver data in my board.

  • 0
    Prodigy 20 points

    Part Number: ADS8688EVM-PDK

    Tool/software:

    Dear Team,

    I'm new from TI could you please help me to resolve my issue. I trying to capture ADC signal form ADS8688EVK-PDK board to STM32L4 IOT board. is it possible capture and receive data in STM32 board and how? 

  • 0 in reply to Sukumar M
    TI__Guru**** 181021 points

    Hi Sukumar,

    If you are you trying to run the ADS8688EVM-PDK from your IOT board, you would need to write the code necessary to communicate through the SPI port to the EVM.  There is a pin header (J4) that has access to all of the control lines (/CS, SDI, SDO, SCLK, etc) for the ADS8688 device.  There are test points where you can apply external power to the EVM (AVDD, DVDD and Ground) - you need to make sure your controller ground and the EVM grounds are connected together, and that they have the same DVDD supply. 

    You won't be able to run the GUI associated with the ADS8688EVM-PDK through your IOT board though.  You could I suppose set your board up as an SPI receiver (i.e. a slave device) and tap off the J4 header to capture data, but in the end you'll need to write your own code.  We do not have any example code to share with you that would run directly on your STM32 controller.