LAN83C180 Просмотр технического описания (PDF) - SMSC -> Microchip

Номер в каталоге

Компоненты Описание

Список матч

LAN83C180

10/100 Fast Ethernet PHY Transceiver

SMSC -> Microchip 

TABLE OF CONTENTS

FEATURES ................................................................................................................................................................... 1

GENERAL DESCRIPTION............................................................................................................................................ 1

PIN CONFIGURATION ................................................................................................................................................. 4

DESCRIPTION OF PIN FUNCTIONS ........................................................................................................................... 5

FUNCTIONAL DESCRIPTION...................................................................................................................................... 7

25MHz Reference Clock ............................................................................................................................................ 7

10BASE-T OPERATION ............................................................................................................................................... 7

10Mb/s Data Transfer on the MII ............................................................................................................................... 7

RX10 Clock Recovery................................................................................................................................................ 7

100MHz Synthesizer.................................................................................................................................................. 7

TX10 Pulse Shaper & Filter ....................................................................................................................................... 7

TX10 Latency............................................................................................................................................................. 7

RX10 Filter & RX10 Signal Detect ............................................................................................................................. 7

RX10 Latency ............................................................................................................................................................ 8

100BASE-TX OPERATION........................................................................................................................................... 8

100Mb/s Data Exchange on the MII Interface............................................................................................................ 8

125MHz Synthesizer.................................................................................................................................................. 8

TX100 PISO, Encoder and Scrambler ....................................................................................................................... 8

TX100 Driver.............................................................................................................................................................. 8

TX100 Latency........................................................................................................................................................... 8

RX100 Equalizer & Base-line Wander Correction ..................................................................................................... 8

RX100 Clock Recovery.............................................................................................................................................. 8

RX100 SIPO, Decoder and Descrambler .................................................................................................................. 9

RX100 Latency .......................................................................................................................................................... 9

100Mb/s Transmit Errors ........................................................................................................................................... 9

100Mb/s Receive Errors ............................................................................................................................................ 9

CONTROLS ................................................................................................................................................................ 10

Initialization (nRESET)............................................................................................................................................. 10

Reset Mode ............................................................................................................................................................. 10

Low-Power Mode ..................................................................................................................................................... 10

Loopback Mode ....................................................................................................................................................... 10

Repeater Mode ........................................................................................................................................................ 10

ICFG - Interrupt........................................................................................................................................................ 11

Auto-Negotiation Enable (ANEN)............................................................................................................................. 11

MII Management Interface ....................................................................................................................................... 11

MANAGEMENT .......................................................................................................................................................... 13

MAC Access to PHY Management Registers .......................................................................................................... 13

RESISTER SET ....................................................................................................................................................... 13

OPERATING CONDITIONS........................................................................................................................................ 18

MAXIMUM GUARANTEED RATINGS*.................................................................................................................... 18

DC ELECTRICAL CHARACTERISTICS .................................................................................................................. 18

DIFFERENTIAL OUTPUT........................................................................................................................................ 18

AC ELECTRICAL CHARACTERISTICS .................................................................................................................. 19

REFCLK................................................................................................................................................................... 19

RX_CLK ................................................................................................................................................................... 19

TX_CLK ................................................................................................................................................................... 19

MDC......................................................................................................................................................................... 19

EXTERNAL COMPONENTS....................................................................................................................................... 20

Connecting an External 25MHz Reference.............................................................................................................. 20

nRESET Pull-up Resistor......................................................................................................................................... 20

RX Input Decoupling................................................................................................................................................ 20

Crystal Oscillator...................................................................................................................................................... 20

PACKAGE DETAILS .................................................................................................................................................. 21

LAN83C180 REVISIONS ............................................................................................................................................ 22

SMSC DS – LAN83C180

Page 3

Rev. 08/24/2001

Share Link: