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  • DP83848C: What power on/boot tests are required for DP83848C

    Resolved
    Part Number: DP83848C Tool/software: I am working on some ancient fw code and I am finding that the power on/boot loopback code. And I am wondering how important(required?) is it to execute loopback test at every power on/boot cycle? thanks for your…
    • Resolved

  • DP83848C: Interface forum

    Part Number: DP83848C Tool/software: Hi, I’m working on a prototype which uses the DP83848C to interface to an ESP32 using RMII. At present I’m unable to configure the PHY start up with auto-negotiation enabled. I use pins 26 and 28 to drive LEDs…

  • DP83848C: Not able to communicate properly with RM46L852

    Part Number: DP83848C Other Parts Discussed in Thread: RM46L852 , HALCOGEN Tool/software: I have DP83848 connected to RM46L852 in RMII Mode. Connections are as follows : RM46 MDIO - DP83848 MDIO RM46 MDC - DP83848 MDC RM46 RMII_REFCLK_50MHZ - DP83848…

  • DP83848C: Reference code for the end of the sequence

    TI Thinks Resolved
    Part Number: DP83848C Tool/software: Hi, May I ask if there is a reference code for the end of timing when using the DP83848 chip on the FPGA? Thanks!

  • DP83848C: Violate RMII Transmit timing requirement, is there any solution?

    TI Thinks Resolved
    Part Number: DP83848C Tool/software: Hi team, My customer is testing DP83848C on their PCB. They found a problem: the RMII transmit timing of their MAC cannot meet the requirements of DP83848. The "TXD[1:0], TX_EN, Data setup to X1 rising time" is required…
    • Answered

  • DP83848C: A specific description about "VTPTD_100"

    Resolved
    Part Number: DP83848C Tool/software: Hi,all I have some questions about the VTPTD_100 in the datasheet. I wonder whether it represents the peak-to-peak value of the differential signal, or the amplitude of the single-ended signal against 0V. Can someone…
    • Resolved
    • Answered

  • DP83848C: Layout question

    Resolved
    Part Number: DP83848C Tool/software: Dear Sirs , I am working on a layout with DP83848C and I am wondering if the PFBOUT 23 can be connected with a wire under the IC with pin 18 and 37 . I have a bit a space constraint design and if I can rout…
    • Resolved

  • DP83848Q-Q1: I want to differentiate between DP83848Q and DP83848C in driver code

    TI Thinks Resolved
    Part Number: DP83848Q-Q1 Other Parts Discussed in Thread: DP83848C Tool/software: Hello support team, The datasheet of DP83848Q-Q1 states the Vendor Model is 0xA: but the register reads 0x9. The datasheet of DP83848C states the Vendor Model is 0xA…

  • DP83848C: DP83848C

    Part Number: DP83848C 1. In RMII mode, MCU connects to RX-DV, but not CRS-DV. 2, RBIAS install 4.7KΩ 1% resistance. 3. PFBOUT, PFBIN1, PFBIN2 Connect to DC3.3V power supply. The above connection. The network can be connected in actual use. Long…

  • DP83848C: Lifecycle Reference Information

    Part Number: DP83848C Tool/software: We are using your DP83848CVV/NOPB. I understand that you have not published an official life cycle statement for any of your devices. However, in order to define the life cycle of our products, We would like to know…

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