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  • DP83848C: Review of DP83848C Schematic Diagram

    Part Number: DP83848C Hello, The following is the schematic diagram of DP83848C. Please help review it. Thank you.
    • Answered

  • 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

  • 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…

  • 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…

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