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Showing 131 results View by: Thread Post Sort by
  • RE: DP83849I: Regarding to PWRDOWN pin

    Gerome Cacho
    Gerome Cacho
    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
    • 2 months ago
    • Interface
    • Interface forum
  • DP83849I: characteristics impedance of MDC、MDIO,CLK2MAC

    Yasushi Fujiwara
    Yasushi Fujiwara
    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…
    • 3 months ago
    • Interface
    • Interface forum
  • DP83849I: register settings of 100BASE-TX Full-Duplex compliant test

    Yasushi Fujiwara
    Yasushi Fujiwara
    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
    • 3 months ago
    • Interface
    • Interface forum
  • Answered
  • DP83849I: POWER SUPPLY

    Shinnosuke Kaneko
    Shinnosuke Kaneko
    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
    • 10 months ago
    • Interface
    • Interface forum
  • Answered
  • DP83849I: PFBOUT voltage and the recommended trace width

    Hisao Uchikoshi
    Hisao Uchikoshi
    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
    • 11 months ago
    • Interface
    • Interface forum
  • Answered
  • RE: DP83849C: DP83849C vs DP83849I

    ttd
    ttd
    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…
    • over 1 year ago
    • Interface
    • Interface forum
  • Answered
  • DP83849I: Indirect Read and Write

    [FAE] Andrew Wang
    [FAE] Andrew Wang
    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
    • over 1 year ago
    • Interface
    • Interface forum
  • Answered
  • RE: DP83849I: pin configuration for unused channel

    Vikram Sharma
    Vikram Sharma
    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
    • over 1 year ago
    • Interface
    • Interface forum
  • Answered
  • DP83849I: How to output the scrambled idle pattern from DP83849I

    user5286503
    user5286503
    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
    • over 1 year ago
    • Interface
    • Interface forum
  • DP83849I: Differences between DP83849I, DP83849D, and DP83849F??

    Brian Piquette
    Brian Piquette
    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…
    • over 1 year ago
    • Interface
    • Interface forum
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