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Showing 65 results View by: Thread Post Sort by
  • DP83TC814S-Q1: About the Power supply and startup configuration pull up Power

    Jingkun Wang
    Jingkun Wang
    TI Thinks Resolved
    Part Number: DP83TC814S-Q1 Tool/software: Hello TI team, Does it have the risk if the power rails are different between power supply and startup configuration pull-up power? For example, the VDDA_1/2,VDDMAC, VDDIO is supplied from SYS_3.3V; the startup…
    • 4 months ago
    • Interface
    • Interface forum
  • DP83TC814S-Q1: DP83TC814S-Q1

    Hanamantappa  Hugar
    Hanamantappa Hugar
    Part Number: DP83TC814S-Q1 Tool/software: what is the meaning of bit 12 in the Register 553 when bit 13 is set and bit13 is not set?
    • 9 months ago
    • Interface
    • Interface forum
  • DP83TC814S-Q1: What is the clock frequency of TX when using RGMII?

    zhijie lin
    zhijie lin
    Part Number: DP83TC814S-Q1 Tool/software: Hello TI Team, 1.What is the clock frequency of TX when using RGMII, and is there any difference in link up and link down states respectively? 2. I got the following information by reading the registers, bit13…
    • 5 months ago
    • Interface
    • Interface forum
  • DP83TC814S-Q1: About Cable Diagnosis function

    Jingkun Wang
    Jingkun Wang
    Part Number: DP83TC814S-Q1 Tool/software: Hi TI team, From the SNLA389A – TDR Testing, we can't understand the fault: 1) What's the "Half wire open" and "Peak detect"? 2)0x0310 [5:0]=0x3, it means the fault location in…
    • 6 months ago
    • Interface
    • Interface forum
  • Answered
  • DP83TC814S-Q1: About PMA Test

    Jingkun Wang
    Jingkun Wang
    Resolved
    Part Number: DP83TC814S-Q1 Tool/software: Hello TI Team, When I test the Transmitter Output Droop of PMA, I find that the waveform has 67MHz-68MHz ringing. Is it normal? Another , could you provide the DP83TC814S-Q1's PMA report for us? Best Regards…
    • Resolved
    • 7 months ago
    • Interface
    • Interface forum
  • RE: DP83TC814S-Q1: RGMII Input Timing Issue

    Vivaan Jaiswal
    Vivaan Jaiswal
    Hi Wang, Jingkun Wang said: Does it can increase the time of one packet? The number of bytes per packet can be changed through register 0x61A, which may help with increasing the time. The IPG can also be increased through register 0x61B. Jingkun Wang said…
    • 6 months ago
    • Interface
    • Interface forum
  • Answered
  • DP83TC814S-Q1: About the linkup time

    Jingkun Wang
    Jingkun Wang
    Resolved
    Part Number: DP83TC814S-Q1 Tool/software: Hello Melissa, As we discussed in below link: https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1373625/dp83tc814s-q1-about-led-configuration-question/5305821?tisearch=e2e-sitesearch&keymatch…
    • Resolved
    • 8 months ago
    • Interface
    • Interface forum
  • Answered
  • DP83TC814S-Q1: Crystal

    Ivy Jin
    Ivy Jin
    Resolved
    Part Number: DP83TC814S-Q1 Tool/software: Hi team, 1. For DP83TC814S-Q1, if the customer is using RMII slave mode, how should the MCU side be connected when they clock the PHY using an external active crystal? 2. May I ask that why is there a 25 Mhz clock…
    • Resolved
    • 9 months ago
    • Interface
    • Interface forum
  • DP83TC814S-Q1: SQI Issue

    Jingkun Wang
    Jingkun Wang
    Part Number: DP83TC814S-Q1 Tool/software: Hello TI Team, Now , we have an issue that the SQI is still poor, but it links up normally and pings normally. `Why is SQI poor? What does cause SQI poor? Best Regards! Wang Jingkun
    • 9 months ago
    • Interface
    • Interface forum
  • Answered
  • DP83TC814S-Q1: About the status of register after Reset

    Jingkun Wang
    Jingkun Wang
    Resolved
    Part Number: DP83TC814S-Q1 Tool/software: Hello TI Team, If SoC controls the Pin_3 (RESET_N) (Low --> High), do all registers refresh and resample the straps for Autonomous/Managed, Master/Slave, RGMII/SGMII/etc.. modes? At this hardware configuration…
    • Resolved
    • 8 months ago
    • Interface
    • Interface forum
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