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 …
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, 4 months ago Modified 12 years, 4 months ago
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 …
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 …
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 …
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 …
Difference between USB and ULPI - Electrical Engineering Stack Exchange
Aug 10, 2023 · What is the difference between USB and ULPI? I know they are closely related, but how they are related is not clear to me. First time I came to know when I was looking at this board (See at …
ethernet - PHY to PHY connection (KSZ9477S and DP83849IF)
Apr 19, 2020 · 1 I want to connect two phys on pcb through AC coupling (max path 150 mm), one PHY is KSZ9477S embedded PHY, other is DP83849IF PHY. The schematic is attached At first the I …
ESD protection on 10/100/1000 ethernet
Jan 30, 2021 · I am designing a PCB with an RJ45, discrete magnetics and an ethernet phy that can support 10/100/1000 speeds. I am considering the implementation of ESD/TVS diodes. For this I …
Clarification on Differential Signaling: Polarity and Tx/Rx Swap
May 1, 2025 · In general, PHY chips will send out link pulses to detect a link partner and autonegotiate speed etc. So a chip implementing Auto-MDIX will internally swap TX and RX pins at some intervals, …