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  • RE: DP83849I: Regarding to PWRDOWN pin

    Hi Okamura, Could you please expand upon your statement: naotoku okamura said: However, when I refer to LINK STATUS register, it repeats link-up and link-down. It may be best to provide a register dump of 0x1. Sincerely, Gerome

  • DP83849I: characteristics impedance of MDC、MDIO,CLK2MAC

    Part Number: DP83849I Hello Experts, My customer has question as follows. Would you answer it, please? [Question] Customer is now designing PCB layout and customer would like to know the characteristics impedance of MDC, MDIO, CLK2MAC lines. Does those lines…

  • DP83849I: register settings of 100BASE-TX Full-Duplex compliant test

    TI Thinks Resolved
    Part Number: DP83849I Hello Experts, Do you have a recommended register settings for 100BASE-TX Full-Duplex compliance test? Or would you provide a register settings if you have already done this compliance test? Best Regards, Fujiwara
    • Answered

  • DP83849I: POWER SUPPLY

    Resolved
    Part Number: DP83849I Hi Team, Please confirm the following about the power supply of DP83849I. The VDD (+3.3V) is 600 mV @ 25 ms before rising, is it OK before the reset? The waveforms are as follows:
    • Resolved
    • Answered

  • DP83849I: PFBOUT voltage and the recommended trace width

    Resolved
    Part Number: DP83849I Hi Experts, PFBOUT pin should be conneced to PFBINx as shown in below. 1. What is the output voltage of PFBOUT? 2. What is the recommended trace widtth from PFBOUT to PFBINx pin? Regards, Uchikoshi
    • Resolved
    • Answered

  • RE: DP83849C: DP83849C vs DP83849I

    Resolved
    Hi Gerome, DP83849C does not have the following specifications in the data sheet. Q1 Is it only for SMII / SCMII communication? Q2 Please tell us how the standard CLK was changed between I and C products. Other question Q3 Are DP83849C and DP83849I…
    • Answered

  • DP83849I: Indirect Read and Write

    Resolved
    Part Number: DP83849I Hi Team, Customer is asking how to do indirect Read and Write for this device, taking 2 example below. Is my understanding correct? Thx! Andrew
    • Resolved
    • Answered

  • RE: DP83849I: pin configuration for unused channel

    Resolved
    If there is a lot of switching noise expected on the board, then customers may put pull down of 10K ohms on these pins. -- Regards, Vikram
    • Answered

  • DP83849I: How to output the scrambled idle pattern from DP83849I

    Resolved
    Part Number: DP83849I We would like to do 100BASE-TX Compliance TEST using a board (DUT) on which the DP83849I is mounted. To do the TEST, the scrambled idle pattern should be outputted from DP83849I. Could you give us how to output the scrambled idle…
    • Resolved

  • DP83849I: Differences between DP83849I, DP83849D, and DP83849F??

    TI Thinks Resolved
    Part Number: DP83849I A quick look through the D and F part datasheets did not highlight any differences. If I use the TI website to do a compare, I get the following: Even the indicated "Flex Port" difference doesn't seem right since the TI Appnote regarding…

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