
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 …
what is the difference between PHY and MAC chip
A PHY chip or layer converts data between a "clean" clocked digital form which is only suitable for very-short-distance (i.e. inches) communication, and an analogue form which is suitable for …
What is the difference between the PHY sublayers PCS, PMA and …
Nov 2, 2024 · I'm reading Analog Device's Beginner's Guide to Ethernet. It's really good and goes into concepts like Manchester Encoding, 4B/5B, NRZT, MLT3 which seem to make sense to …
phy - RSET pin function of RTL8211E - Electrical Engineering Stack …
Jul 11, 2018 · I'm using Realtek's ethernet PHY RTL8211E, but can't figure out what's the purpose of pin 'RSET', and how to connect it. The only datasheet I can find is here. On page 12 of the …
Voltage mode Ethernet PHY and Current mode Ethernet PHY
Jun 7, 2022 · In the Ethernet PHY, we have two types. Voltage mode PHY and current mode PHY. Can anyone tell me the reason why the center taps of magnetics are shorted in case of …
Impedance/Termination of Marvell PHY - Electrical Engineering …
Oct 5, 2020 · In most Ethernet PHY, MAC, or microcontroller datasheets, you won't find anything. On the other hand, a matched output impedance of 50 Ω is usually highlighted in the datasheet.
phy - Connection of center tap for Ethernet transformer - Electrical ...
Sep 1, 2010 · I'm trying to connect an RJ-45 jack with integrated magnetics (Belfuse L829-1X1T-91 datasheet) to an Ethernet PHY chip (Micrel KSZ8041TL datasheet). The TX+/-, RX+/-, and …
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 …
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 …
PHY address for SPI interface - Electrical Engineering Stack Exchange
Feb 9, 2023 · The "PHY address" you refer to is an MDIO bus address. MDIO is a management interface between a MAC and one or more PHYs. In the case of the W5500, the MAC and …