AM79C973 データシートの表示（PDF） - Advanced Micro Devices

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AM79C973

PCnet™-FAST III Single-Chip 10/100 Mbps PCI Ethernet Controller with Integrated PHY

Advanced Micro Devices 

BLOCK DIAGRAM

PRELIMINARY

EBUA_EBA[7:0]

EBDA[15:8]

EBD[7:0]

EROMCS

AS_EBOE

EBWE

EBCLK

MIIRXFRTGE

MIIRXFRTGD

SFBD

EAR

RXD[3:0],TXD[3:0]

MDIO

MDC

XTAL1

XTAL2

CLK

RST

AD[31:0]

C/BE[3:0]

PAR

FRAME

TRDY

IRDY

STOP

IDSEL

DEVSEL

REQ

GNT

PERR

SERR

INTA

TCK

TMS

TDI

TDO

Expansion Bus

Interface

EADI

PCI Bus

Interface

Unit

Bus

Rcv

FIFO

MAC

Rcv

FIFO

12K

SRAM

Bus

Xmt

FIFO

MAC

Xmt

FIFO

Buffer

Management

Unit

FIFO

Control

Network

Port

Manager

JTAG

Port

Control

OnNow

Power

Management

Unit

Clock

Reference

10/100 PHY Core

802.3

MAC

Core

Transmit

MII

Block

MII

Interface

MDC

MII

MDIO Management

Receive

Block

MLT3

(100 BASE-TX)

PECL

(100 BASE-FX)

10 BASE-T

Link

Monitor

Auto

Negotiation

PHY Control

Serial

Management

Interface Unit

LED

Control

93C46

EEPROM

Interface

PME

VAUXDET

RWU

PG

WUMI

MCLOCK

MDATA

MIRQ

TX±

RX±

SDI±

LED0

LED1

LED2

LED3

EECS

EESK

EEDI

EEDO

21510D-1

4

Am79C973/Am79C975

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