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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 physical layer …

  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, 5 months ago Modified 12 years, 5 months ago

  3. 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 interface between …

  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. Ethernet switch IC ports in MAC and PHY mode

    Nov 8, 2021 · 1/ for port 2 and 6, the phy is external. Unfortunately though not all phy information is present on an RGMII/GMII and this is sent over MDIO/MDC. The switch needs to know you have a …

  6. 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 this …

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

    Aug 14, 2022 · 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 …

  8. PHY address for SPI interface - Electrical Engineering Stack Exchange

    Feb 9, 2023 · The "PHY address" you refer to is an bus address. MDIO is a management interface between a MAC and one or more PHYs. In the case of the W5500, the MAC and PHY are integrated …

  9. 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 the other.

  10. MIPI CSI2 DPHY interface on the long length cable

    Nov 1, 2023 · MIPI C/DPHY also has options to increase cable length and/or bandwidth by modifying the PHY signal. On the transmit side you can enable TxEQ (pre-emphasis); on the receiver you can …