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Frequent questions

  • [FAQ] What are the different I2C Buffer Direction Control Mechanisms?

    Other Parts Discussed in Thread: TCA9517A , TCA9517 , TCA9511A , TCA4307 FAQ: Logic and Voltage Translation > IxC >> What are the different I2C Buffer Direction Control Mechanisms ? I2C buffers implement direction control mechanisms to determine which…

  • [FAQ] DP83822I: Does Oscillator Clock or other external clock source to XI pin need to be stable before PHY power?

    Part Number: DP83822I Tool/software: Yes, Clock in external clock mode shall be available at power ramp. If not available, it is recommended to hold RESET_N low and release it at least 100 us aer external clock is stable.

  • [FAQ] What is the "VILC" Electrical Spec in I2C Buffers?

    Other Parts Discussed in Thread: TCA9517A Part Numbers: TCA9517A , TCA9517 , TCA9509 FAQ: Logic and Voltage Translation > IxC >> What is the "VILC" Electrical Spec in I2C Buffers ? VILC = Input LOW Contention Voltage VILC is the internal voltage…

  • [FAQ] What is a buffered LOW?

    Part Number: TCA9517 Other Parts Discussed in Thread: TCA9617B FAQ: Logic and Voltage Transla tion > IxC >> What is a buffered LOW ? A "buffered LOW" is the output voltage of the buffer when a low voltage input (VIL) is present on the input. This…

  • [FAQ] SN65DSI8x Programming Tools

    Part Number: SN65DSI84 Other Parts Discussed in Thread: SN65DSI85 , SN65DSI83 , SN65DSI86 Tool/software: DSI Tuner Tool (SN65DSI83, SN65DSI84, SN65DSI85): This tool is used to translate the video timings of the LVDS panel bein used to register values…

  • [FAQ] TUSB211A: How does a USB2 redriver boost the signal that passes through it?

    Part Number: TUSB211A Tool/software: How does a USB2 redrivers boost the signals that come through it? I do not understand how this is possible since some redrivers do not need to be directly incorporated into the trace to process and boost the signal…

  • [FAQ] TUSB211A: Why do some USB2 redrivers not need to be directly integrated?

    Part Number: TUSB211A Other Parts Discussed in Thread: TUSB217A , TUSB214 , TUSB211 , TUSB216 , TUSB212 Tool/software: Some USB2 redrivers do not need to be directly integrated into a trace, and can just be placed over the trace. Why is that? Won't this…

  • [FAQ] DS280DF810EVM: How to reflash USB2ANY for use with SigCon Architect GUI

    Part Number: DS280DF810EVM Other Parts Discussed in Thread: USB2ANY Tool/software: In this FAQ, I will explain how to reflash a USB2ANY device to interface between an EVM board and SigCon Architect GUI. This FAQ applies to any EVM which is controlled…

  • [FAQ] DS125DF111: How to capture a full eye opening measurement using SMBus registers

    Part Number: DS125DF111 Other Parts Discussed in Thread: DS110DF111 , , DS100DF410 , DS110DF410 , DS125DF410 Tool/software: In this FAQ, I will cover the SMBus register sequence to capture a full eye opening measurement. This FAQ applies to the following…

  • [FAQ] DS320PR810: Using EyeScan to Optimize CTLE Setting on Your PCIe Redriver

    Part Number: DS320PR810 Tool/software: Hi All, Texas Instruments uses PCIe redrivers to perform signal conditioning on medium to upper medium loss systems. The redriver is effective in a wide variety of systems with losses ranging from -36dB to -56dB…

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