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Frequent questions

  • [FAQ] USB-C CC and PD controller differences

    Do I need to use a CC controller or PD controller for my USB-C application?

  • [FAQ] How to control VBUS on a USB-C port

    Other Parts Discussed in Thread: TUSB320 How do I control the VBUS on my USB-C downstream facing or dual-role port?

  • [FAQ] TDP1204: When to AC or DC couple the HDMI 2.1 output?

    Part Number: TDP1204 Up until HDMI 2.1, source output AC coupling was not clearly defined. However, now with HDMI 2.1 AC coupling is clearly defined. However, how can the designer determine when to AC or DC couple the HDMI 2.1 output?

  • [FAQ] Potential TI Solutions for Video Protocol Conversion

    What potential solutions does TI offer for video protocol conversion?

  • [FAQ] DP83TG720S-Q1: Where can I find the latest Linux Drivers for DP83TG720 and DP83TG812/3/4?

    Part Number: DP83TG720S-Q1 Attached are the latest drivers tested on Kernel 5.10: GitHub - TexasInstruments/ti-ethernet-software: Repository for Ethernet PHY drivers for Linux and RTOS. The DP83TC812 driver can be used for the DP83TC813 and DP83TC814…

  • [FAQ] DS160PR410: Difference Between IBIS-AMI versus IBIS Modeling

    Part Number: DS160PR410 Other Parts Discussed in Thread: DS160PR810 , LMH0340 IBIS stands for Input/Output Buffering Information Specifications while AMI stands for Algorithm modeling Interface. In short, IBIS is used to describe analog behavior of…

  • [FAQ] DP83TC812S-Q1: My PHY won't link up

    Part Number: DP83TC812S-Q1 Link status is shown in register 0x1 bit[2]. Link failing to show as up can be caused by many issues. Please see the following debug guide which walks through several of the possible causes and fixes. Specifically see section…

  • [FAQ] DP83TC813S-Q1: How to output LED1 signal on pin 14

    Part Number: DP83TC813S-Q1 By default, pin 14 of the DP83TC813 will output the CLKOUT signal. To instead have the LED1 signal on pin 14, write to the below registers. 0x045F = 0x000F 0x0452 = 0x0000 0x0451 = 0x0009

  • [FAQ] DP83TC812S-Q1: How to to adjust slew rate of MAC IOs

    Part Number: DP83TC812S-Q1 Reducing the slew rate of MAC interface IOs can provide improvement in EMC emissions for some frequencies. This can be done using register 0x456. 0x456 bits [5] and [0] control the impedance of the RX and TX MAC interface…

  • [FAQ] Announcing New GUI Application for Ethernet EVM & PHY Evaluation

    All, Excited to share the initial release of DIEP (Debug Interface for Ethernet PHYs). The Windows GUI is designed to simplify the process for PHY-level configuration and debug with register access. Using a valid USB connection to an on-board MSP…

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