W89C841D Просмотр технического описания (PDF) - Winbond

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Компоненты Описание

производитель

W89C841D

3-IN-1 100BASE-TX/FX & 10BASE-T Ethernet Controller

Winbond 

W89C841F/D

BootROM/Flash and EEPROM Interface, continued

SIGNAL NAME

BtAdd[3]/

COL_MAC/

COL_PHY

BtAdd[2]/

CRS_MAC/

CRS_PHY

BtAdd[1]/

MDIO_MAC/

MDIO_PHY

BtAdd[0]/

MDC_MAC/

MDC_PHY

BtData[7:5]/

ModeSel[2:0]

PIN TYP.

I/O/

I/

O

I/O/

I/

O

I/O

I/O/

O/

I

I/O

PIN NO.

55

54

53

52

100 − 102

PIN DESCRIPTION

BootROM Address (Normal Mode)

This pin is used as ROM address pin.

MII Collision (MAC mode)

This pin is used to input MII COL signal.

MII Collision (PHYceiver mode)

This pin is used to output MII COL signal.

BootROM Address (Normal Mode)

This pin is used as ROM address pin.

MII Carrier Sense (MAC mode)

This pin is used to input MII CRS signal.

MII Carrier Sense (PHYceiver mode)

This pin is used to output MII CRS signal.

BootROM Address (Normal Mode)

This pin is used as ROM address pin.

MII Management Data (MAC mode)

This pin is used to input/output MII MDIO signal.

MII Management Data (PHYceiver mode)

This pin is used to input/output MII MDIO signal.

BootROM Address (Normal Mode)

These pins are used as ROM address pin.

MII Management Clock (MAC mode)

This pin is used to output MII MDC signal.

MII Management Clock (PHYceiver mode)

This pin is used to input MII MDC signal.

BootROM Data[7:5]

These pins are used as ROM data pins.

Mode Selection

When power-on, these pins are used as input pins to

latch the setting value of ModeSel.

Mode

CONFIG ModeSel

Normal

00

000

MAC Controller 01

011

PHYceiver

10

000

Testing

11

xxx

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Publication Release Date: October 18, 2001

Revision A3

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