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Showing 158 results View by: Thread Post Sort by

  • DP83TC812S-Q1: To support 100Mbps, what standard does DP83TC812S-Q1 follow?

    Part Number: DP83TC812S-Q1 Tool/software: The MAC of MCU supports multiple standards: 1, SGMII without auto-negotiation: 0.1, 1 and 2.5G baud data rates with corresponding serial line rates of 0.125, 1.25 and 3.125 Gbit/s respectively 2, SGMII without…

  • DP83TC812S-Q1: How can I determine whether this chip support PTP?

    TI Thinks Resolved
    Part Number: DP83TC812S-Q1 Other Parts Discussed in Thread: DP83TC817S-Q1 , DP83TG721S-Q1 , DP83TG720S-Q1 Tool/software: By exploring the contents on webpages and datasheets, I have a simple PTP related summary about the following 4 Ethernet PHY chips…

  • DP83TC812S-Q1: DP83TC812 SGMII autonegociation

    Part Number: DP83TC812S-Q1 Tool/software: Hello, I am using the ethernet phy DP83TC812 in sgmii mode. I know that SGMII autonegociation can be disabled since its only support a fixed speed and full duplex. However, I would like to understand more what…

  • RE: DP83TG720R-Q1: DP83TC812

    Hi Hongsheng, Please see section 3 of the Open Alliance Appnote on the DP83TC81X I sent above. Best regards, Nick
    • Answered

  • DP83TC812S-Q1: question about INH pin and resistor bootstrap

    Resolved
    Part Number: DP83TC812S-Q1 Tool/software: Helo, I need information about: 1)INH is open drain but is not clear if this pin can accept a voltage about 12V 2)Pin boot strap (for example RX_DV and RX_ER these pins define PHY address) put RH resistor 4.5kohms…
    • Resolved

  • DP83TC812S-Q1: EMC performance

    Part Number: DP83TC812S-Q1 Tool/software: HI TI Teams As shown in the attached diagram, the datasheet mentions that it can pass Level IV. If the goal is to pass Level V, are there any recommended countermeasures? (Such as adding decoupling capacitors to…

  • [FAQ] DP83TC812S-Q1: Why is DP83Txxxx not passing compliance?

    Part Number: DP83TC812S-Q1 Other Parts Discussed in Thread: DP83TC811 Tool/software: For all 1000Base-T1 and 100Base-T1 compliance tests (including Interopability/link-up, PMA, PHY Control, PCS, and EMC), there is a required software configuration to pass…

  • DP83TC812R-Q1: What are the diferences between DP83TC812R-Q1 and DP83TC812S-Q1?

    Part Number: DP83TC812R-Q1 Other Parts Discussed in Thread: DP83TC812S-Q1 Tool/software: Hi, What are the diferences between DP83TC812R-Q1 and DP83TC812S-Q1 chips? Do they have the same driver codes? Are there any different configurations between the…

  • DP83TC812S-Q1: DP83TC812S-Q1: Does DP83TC812S-Q1 support TRD_P/N short circuit protection (connector bus wires short to battery 16V)?

    Part Number: DP83TC812S-Q1 Tool/software: Dear TI friends I submitted a case a month ago, TI specialist told me that t he PHY cannot withstand 16V directly from the battery even if it is shorted at the connector. case adress: https://e2e.ti.com/support…

  • DP83TC812R-Q1: DP83TC812 LOW PASS Filter

    Part Number: DP83TC812R-Q1 Other Parts Discussed in Thread: DP83TC811 Tool/software: HI TI Teams When the Ethernet PHY was changed from DP83TC811 to DP83TC812, the output low-pass filter design was removed as recommended. However, due to poorer emissions…
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