KSZ9563RNXI datasheet(4/226 Pages) MICROCHIP

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KSZ9563R

DS00002419D-page 4

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1.0

PREFACE

1.1

Glossary of Terms

TABLE 1-1:

GENERAL TERMS

Term

Description

10BASE-T

10 Mbps Ethernet, 3.3V signaling, IEEE 802.3 compliant

100BASE-TX

100 Mbps Fast Ethernet, IEEE 802.3u compliant

1000BASE-T

1000 Mbps Gigabit Ethernet, IEEE 802.3ab compliant

ADC

Analog-to-Digital Converter

Auto-Negotiation

AVB

Audio Video Bridging (IEEE 802.1BA, 802.1AS, 802.1Qat, 802.1Qav)

BLW

Baseline Wander

BPDU

Bridge Protocol Data Unit. Messages which carry the Spanning Tree Protocol informa-

tion.

Byte

8 bits

CRC

Cyclic Redundancy Check. A common technique for detection data transmission

errors. CRC for Ethernet is 32 bits long.

CSR

Control and Status Registers

Destination Address

DWORD

32 bits

EEE

Energy Efficient Ethernet

FCS

Frame Check Sequence. The extra checksum characters added to the end of an

Ethernet frame, used for error detection and correction.

FID

Frame or Filter ID. Specifies the frame identifier. Alternately is the filter identifier.

FIFO

First In First Out buffer

FSM

Finite State Machine

GPIO

General Purpose I/O

GPO

General Purpose Output

Host

External system (Includes processor, application software, etc.)

IBA

In-Band Access. External device accesses internal registers using special Ethernet

packets.

IBS

In-Band Status. The PHY can send link status information to the MAC across the

RGMII interface.

IGMP

Internet Group Management Protocol. Defined by RFC 1112, RFC 2236, and RFC

4604 to establish multicast group membership in IPv4 networks.

IPG

Inter-Packet Gap. A time delay between successive data packets mandated by the

network standard for protocol reasons.

Jumbo Packet

A packet larger than the standard Ethernet packet (1518 bytes). Large packet sizes

allow for more efficient use of bandwidth, lower overhead, less processing, etc..

lsb

Least Significant Bit

LSB

Least Significant Byte

MAC

Media Access Controller. A functional block responsible for implementing the media

access control layer, which is a sublayer of the data link layer.

MDI

Medium Dependent Interface. An Ethernet port connection that allows network hubs or

switches to connect to other hubs or switches without a null-modem, or crossover,

cable.

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