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  1. What does "PHY" refer to? - Electrical Engineering Stack Exchange

    Oct 20, 2021 · a PHY is a type of Ethernet physical layer (eg. 100BASE-TX, 10BASE-T) a PHY is an Ethernet transceiver IC (eg. an IC that converts 100BASE-TX to MII/RMII) a PHY is a …

  2. what is the difference between PHY and MAC chip

    Jul 11, 2013 · what is the difference between PHY and MAC chip Ask Question Asked 12 years, 3 months ago Modified 12 years, 3 months ago

  3. In USB, what is the difference between a PHY and a transceiver?

    Mar 26, 2013 · A Phy is similar to a transceiver in that there is usually different signal standards on "both sides of the chip". With Ethernet it is MII/GMII/etc on one side and, well, Ethernet on …

  4. ESP32 GPIO [0] number 2 pin is reserved

    May 9, 2025 · I am building a custom ESP32 board to send sensor data via firebase. But when I try to program the WiFi, I got this error. E (111) phy_comm: gpio[0] number: 2 is ...

  5. Connecting a PHY to another PHY on a same board

    Generally, if I'm connecting a PHY to RJ45 connector, I would add center tap capacitors and Bob-Smith termination like below. But if I am connecting a PHY to another PHY, do I still need the …

  6. Ethernet switch IC ports in MAC and PHY mode

    Nov 8, 2021 · I come from analog/RF background and have limited knowledge in digital interfaces. According to TI's articles about Ethernet PHY found here and here, single MAC to single PHY …

  7. The SERDES/transceiver design inside the Ethernet MAC controller

    Nov 15, 2019 · The 1st and 2nd figures are normal application which transmits the data through copper media with coded information (through PCS/PMD/PMA inside the PHY chip). The …

  8. fpga - Problems in understanding PCIe blocks in Xilinx Vivado for ...

    Jan 3, 2024 · These two PHY are actually different, that IP vendor's PHY is below PIPE interface, only contains PCS and PMA, while the PHY in TLP/DL/PHY also contains PHY-MAC. Knowing …

  9. How to connect Ethernet Magnetic/RJ45

    May 27, 2021 · I am connecting up my PHY to an RJ45 with magnetics and was wondering what I do with some pins on it. Here is the circuit for the Rj45 w/ magnetics. My questions are: do I …

  10. ethernet - What is the difference between the PHY sublayers PCS, …

    Nov 2, 2024 · What is the difference between the PHY sublayers PCS, PMA and PMD? Ask Question Asked 11 months ago Modified 11 months ago