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  • DP83640: RX_CLK, TX_CLK, CLK_OUT can provide 50-MHz , which one is recommended?

    Resolved
    Part Number: DP83640 Tool/software: Dears: Customer use RMII master mode, they want to have 50MHz for CPU. I noticed that RX_CLK, TX_CLK, CLK_OUT can provide 50-MHz , Could you please help check which one is better to use ? Thanks.
    • Resolved

  • DP83640: 300ms offset between master PPS and local PPS

    Part Number: DP83640 Tool/software: Greetings, I have been working on incorporating the DP83640 into a PIC32 project over the past few weeks. I'm capturing all the relevant timestamps and the PIC outputs indicate that the PHY should be in sync with…
    • Answered

  • DP83640: How to set up PTP_INTCTL?

    Resolved
    Part Number: DP83640 Hello there I'd like to configure the PHY to output whenever a PTP RX Timestamp is ready. I already enabled interrupts and the PTP interrupt in the MICR register (INTEN & PTP_INT_SEL) and enabled interrupts on RX timestamps in…
    • Resolved

  • DP83640: FreeRTOS plus UDP project help - RM46L852

    Part Number: DP83640 Other Parts Discussed in Thread: HALCOGEN , RM46L852 , Tool/software: Hello experts, I am trying to get ethernet communications to work on a custom development board using RMII with a RM46L852 mcu, using FreeRTOS plus UDP stack…
    • Answered

  • DP83640: PTP_TDR register information

    Resolved
    Part Number: DP83640 I am trying to find certain information in datasheet for PTP_TDR (page 4), but with no luck. I am using the dp83640 April 2015 datasheet. In paragraph 5.6.1.5.2 it is indicated: "On Writes, successively stores the 16-bit values…
    • Resolved

  • DP83640: Regarding the internal IEEE 1588 clock/timer vs absolute network ptp time

    TI Thinks Resolved
    Part Number: DP83640 Tool/software: Greetings, I'd like to clarify some details I've gathered: Q1-) Regarding the DP83640's internal IEEE 1588 clock/timer, my understanding is that it starts either from zero or another predefined value, but it's not…

  • DP83640: Sometimes, the LINK delay of the network port is too long during power-on, causing an error in reading the coefficient file of the acquisition board

    Part Number: DP83640 Tool/software: hi Expert When using PHY chip DP83640 to power on, we may encounter a long LINK delay of the network port. PHY chip DP83640 on the acquisition board is not connected to the main control board in time for more than…
    • Answered

  • DP83640: PTP with FreeRtos + Lwip

    Resolved
    Part Number: DP83640 Hi, I am working with the ATSAME70N21 combined with DP83640. My firmware is built with FreeRtos 10.0.0 and LWIP 2.1.2. My goal is to implement a PTP slave with Ordinary Clock. 1) Is there a RTOS driver for DP83640? I only found…
    • Resolved

  • DP83640: DP83640 clock

    Part Number: DP83640 Hi team, Does DP83640 can receive external clock data package and then analyze it for local system use? thanks. Best regards, Yang

  • DP83640: Looking at replacing the PHY device inside the TMS570 PN: TMS5704357BZWTQQ1 to a PTP compatible drop in replacement.

    Part Number: DP83640 Tool/software: Please help identify a Automotive grade PHY device that is drop in compatible with the TMS570, PN: TMS5704357BZWTQQ1, and uses PTP(can't be interrupt based).

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