LAN91C94 datasheet(12/120 Pages) SMSC

12 / 120 page

PIN NUMBER

QFP

VTQFP/

TQFP

NAME

SYMBOL

BUFFER

TYPE

DESCRIPTION

nBoard

Select Led

nBSELED/

RXD

OD16

I with

pullup

INTERNAL ENDEC - Board Select LED

activated by accesses to I/O space

(nIORD or nIOWR active with AEN low

and valid address decode for ISA, and

with nREG low and COR0 high for

PCMCIA).

The

pulse

stretched

beyond the access duration to make

the LED visible

EXTERNAL ENDEC - NRZ receive

data input

nReceive

Led/

nReceive

Clock

nRXLED/

nRXCLK

OD16

I with

pullup

INTERNAL ENDEC - Receive LED

output

EXTERNAL ENDEC - Receive clock

input

nLink LED

nLNKLED/

TXD

OD16

O162

INTERNAL ENDEC - Link LED output .

Note:

The output will not be driven

low during a reset

EXTERNAL ENDEC - Transmit Data

output.

Enable

EEPROM

ENEEP

I with

pullup

Input - This active high input enables

the EEPROM to be read or written by

the LAN91C94. Internally pulled up.

Must be connected to ground if no

serial EEPROM is used

nEnable 16

Bit

nEN16

I with

pullup

Input - When low the LAN91C94 is

configured for 16 bit bus operation. If

left open the LAN91C94 works in 8 bit

bus mode. 16 bit configuration can

also

programmed

via

serial

EEPROM, software initialization of the

CONFIGURATION

and

PCMCIA configuration space

LAN91C94 Datasheet(PDF) 12 Page - SMSC Corporation

LAN91C94 Datasheet(HTML) 12 Page - SMSC Corporation

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