LAN91C100FD datasheet(49/68 Pages) SMSC

Part #	LAN91C100FD

Description	FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY

PDF	68 Pages

Scroll/Zoom	100%

Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

Logo

49 / 68 page

SMSC DS – LAN91C100FD REV. B

Page 49

Rev. 05/31/2000

Table 3 - VL Local Bus Signal Connections

VL BUS

SIGNAL

LAN91C100

SIGNAL

NOTES

created typically by using nADS delayed by one LCLK.

IRQn

INTR0-INTR3

Typically uses the interrupt lines on the ISA edge connector of VL

bus

D0-D31

32 bit data bus. The bus byte(s) used to access the device are a

function of nBE0-nBE3:

nBE0 nBE1

nBE2

nBE3

Double word access

Low word access

High word access

Byte 0 access

Byte 1 access

Byte 2 access

Byte 3 access

Not used = tri-state on reads, ignored on writes. Note that nBE2

and nBE3 override the value of A1, which is tied low in this

application.

nLDEV

nLDEV is a totem pole output. nLDEV is active on valid decodes of

A15-A4 and AEN=0.

UNUSED PINS

VCC

nRD nWR

GND

A1 nVLBUS

OPEN

nDATACS

LAN91C100FD Datasheet(PDF) 49 Page - SMSC Corporation