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How to communication between "CDCM7005 EVB" and PC?

Other Parts Discussed in Thread: CDCM7005, CDCM7005-SP

Dear Sir

we have get CDCM7005EVB, but here seems lack of one board to connect PC and CDCM7005EVB?

May you pls help advise us?

                                              Best regards,

                                                             Bogey

  • Hello Bogey,
    all CDCM7005 evaluation boards still use the parallel port interface. When you would like to use the example software from the website you will have to use a PC still having a parallel port (WinXP!) or you will need a USB-based parallel port adapter.
    In case you are already developing your own SPI interface:
    I will refer to the schematic www.ti.com/.../sglu007.pdf of the CDCM7005-SP EVM.
    On PDF page 21 you will find your SPI connection.
    I recommend to connect your SPI master on header J31. To enable the buffer/level translator tie node R69.1 / J30.18 to GND. There is a capacitance C72 close-by which you can easily use for a blue-wire.

    Best regards,
    Patrick
  • Hi Bogey,

    The CDCM7005 EVM features a connector for parallel port that was used for communication between the GUI and device. If your system does not have a LPT port, a generic USB to SPI programmer could be connected at J31 to the CLK, DATA, and CS lines as necessary. Here, use the GUI to generate the appropriate register settings which can then be handed off to the SPI programmer.

    Gabe