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  • DP83640: DP83640 schematic

    TI Thinks Resolved
    Part Number: DP83640 Other Parts Discussed in Thread: TMDXRM46HDK , Hi team, I had consulted the TMDXRM46HDK schematics. In the page 19, I have been seen that in the pins RX and TX of DP83640 there are resistences on serie but I can't find where they…

  • DP83640: maximum allowed current into TD+/- and RD+/- pins

    Part Number: DP83640 Tool/software: Hi TI, I have a design with DP83640 that is supposed to operate in challenging conditions. I need to know what is the maximal current intensity into any of TD+, TD-, RD+, RD- pins that is still not destructive for…

  • TMS570LC4357: DP83640 + TMS570LC4357: How to Detect if MII Clock is Ready on TMS570 Side?

    Part Number: TMS570LC4357 Other Parts Discussed in Thread: DP83640 Tool/software: Hi all, I’m investigating the interaction between the TMS570LC4357’s EMAC and a DP83640 PHY over an MII connection. What I observe: When there is no Ethernet link…

  • DP83640: add external Oscillator in RMII mode

    Part Number: DP83640 Tool/software: Dears: customer want to add external Oscillator in RMII mode for DP83640. Could you please help provide reference design and design guild line ? Thanks.
    • Answered

  • DP83640: DP83640 voltage level translation

    Resolved
    Part Number: DP83640 Other Parts Discussed in Thread: AM5728 , TXS0104E , SN74AXC8T245 Hi, We are developing a system using AM5728 SOM from critical link.Which has ethernet signals are at 1.8V .But for DP83640, it doesn't support 1.8V. So we need to…
    • Resolved

  • DP83640: DP83640

    TI Thinks Resolved
    Part Number: DP83640 Hi Team, I want to know the DP83460 is current mode or voltage mode line driver. Because in datasheet it is not mentioned.

  • RM57L843: DP83640 on RM57 HDK not detecting a link

    Part Number: RM57L843 Other Parts Discussed in Thread: HALCOGEN , DP83640 Tool/software: HI, I am working with with the EMAC on RM57 HDK board. I am seeing an issue with link detection wherein the corresponding bits in LINK and ALIVE registers are…

  • DP83640: Any PHY support 1 Gbps and IEEE1588 hardware timestamp?

    TI Thinks Resolved
    Part Number: DP83640 Tool/software: Hi, I need PHY which could provide IEEE1588 hardware timestamp in the PHY, I know DP83640 is one of this type of device, but it only support up to 100 Mbps, I need a PHY support up to 1000 Mbps. I'm wondering do…

  • DP83640: Disabling Synchronous Ethernet Mode after synchronized to PTP master

    Part Number: DP83640 Tool/software: Hello , I have a few questions for DP83640's Synchronous Ethernet Mode. 1-) do we need to set anything other than SYNC_ENET_EN bit to become ptp slave for the Synchronous Ethernet Mode 2-) After we set SYNC_ENET_EN…
    • Answered

  • DP83640: How to configure RX_SFD_GPIO to receive pulses from GPIO12 (CLOCK_OUT)?

    Resolved
    Part Number: DP83640 Tool/software: Hello , I am currently trying to configure the DP83640's RX_SFD_GPIO functionality to utilize GPIO12 (CLOCK_OUT) for pulse reception. To begin, I've disabled the clock output by setting the CLK_OUT_DIS bit to 0 in…
    • Resolved

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