LAN8818D-ISLASHKDX datasheet(5/101 Pages) MICROCHIP

5 / 101 page

LAN8818D

DS00005832C-page 5

POR

Power On Ready

PTP

Precision Time Protocol

QSGMII

Quad Serial Gigabit Media Independent Interface

Q-USGMII

Quad USGMII. See USGMII.

RESERVED

Refers to a reserved bit field or address. Unless otherwise noted, reserved bits must

always be zero for write operations. Unless otherwise noted, values are not guaran-

teed when reading reserved bits. Unless otherwise noted, do not read or write to

reserved addresses.

SerDes

Serializer/Deserializer

SFD

Start of Frame Delimiter. The 8-bit value indicating the end of the preamble of an

Ethernet frame.

SMD

Start mPacket Delimiter

SNR

Signal to Noise Ratio

SoC

System-on-Chip

SOF

Start of Frame

SPD

Start of Packet Delimiter. Used in QSGMII

Software Power-Down

SPI

Serial Peripheral Interface

SQI

Signal Quality Index

STI

Serial Timestamp Interface

IEEE-1588 Transparent Clock. See E2E TC and P2P TC.

TDR

Time Domain Reflectometry

TOD

Time Of Day

Timestamp

TSN

Time Sensitive Networking

TSU

Time Stamp Unit

UDP

User Datagram Protocol. A connectionless protocol run on top of IP networks.

USGMII

Universal Serial Gigabit Media Independent Interface. See also Q-USGMII.

UTP

Unshielded Twisted Pair

TABLE 1-1:

GENERAL TERMS (CONTINUED)

Term

Description

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