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MSP430F1491: Using the MSP430F1491 as a microcontroller for a PHY

Jacob Samz
Prodigy 30 points
Part Number: MSP430F1491
Other Parts Discussed in Thread: USB-2-MDIO

We are trying to use the MSP430F1491 as a microcontroller for a PHY communicating across MDIO and are wondering if there is any sort of API for CCSV6 or software support for this type of communication? I could not find any in the Chip Support Library (for the MSP430F1491). Also, we are using CCSV6 for our IDE and running CCSV6 on a Windows 10 machine.

  • 0
    TI__Guru**** 212717 points
    Have you looked at the USB-2-MDIO tool yet? You should be able to port the project files to the MSP430F1491 device variant. If you require further assistance with this TI-provided software then you might want to refer to the Ethernet Forum since their team owns the resource in question.

    Regards,
    Ryan
  • 0 in reply to Ryan Brown1
    Prodigy 30 points
    We have looked into using this tool, however the system we are building will be powered off and on. From what I gathered after talking with my team, this would require using the MDIO tool each time we powered the system on since (and correct me if I am wrong) the MDIO tool doesn't actually write anything to the non-volatile memory. In addition, the underlying code for actually reading from and writing to the PHY that the MDIO tool uses is not available.
  • 0 in reply to Jacob Samz
    TI__Guru**** 212717 points
    Jacob,

    As mentioned previously, I have no insight into the USB-2-MDIO tool as it was developed by the Ethernet group. The MSP430 team itself does not provide any resources regarding a CCS API for MDIO PHY communication.

    Regards,
    Ryan

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