91C94 Ver la hoja de datos (PDF) - SMSC -> Microchip

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componentes Descripción

fabricante

91C94

ISA/PCMCIA Single-Chip Ethernet Controller with RAM

SMSC -> Microchip 

16 Bit Reg isters 16 Bit Reg isters 16 Bit Reg isters 16 Bit Reg isters

BANK0

BANK1

0

TC R

CONFIG

2 EPH STATUS

BASE

BANK2

BANK3

MMU

COMMAND

PNR

ARR

MULTICAST

4

RC R

FIFO PORTS

INDIVID UAL

6 COUNTER

ADDRESS

POINTER

8

MIR

DATA

TABLE

MGMT

A

MCR

GENER AL

PURPOSE

DATA

REVISION

C RESERVED CONTROL INTERRUPT

ER CV

E

BANK SELECT REGISTER

Non vola ti le,

stored i n EEPROM.

BANK2 Register

used durin g

run time.

FIGURE 10 – LAN91C94 REGISTERS

30

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