LAN91C96 Просмотр технического описания (PDF) - SMSC -> Microchip

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LAN91C96

Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet

SMSC -> Microchip 

Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet

Table 5.1 - LAN91C96 Address Space

PCMCIA

Attribute

Memory

PCMCIA

Configuration

Registers

Ethernet I/O

space

(Note 5.1)

SIGNALS

USED

nOE, nWE

nOE, nWE

nIORD/

nIOWR (68K:

xDS, R/nW)

LOCAL

BUS

N

N

Y

PCMCIA

Y

Y

Y

68000

N

N

Y

ON-

CHIP

N

(extern

al

ROM)

Y

Y

DEPTH

Up to 32k

locations,

only even

bytes are

usable

64

locations,

only even

bytes are

usable

16 locations

WIDTH

8 bits on

even

addresses

8 bits

8 or 16

bits

(68K: 16

bits only)

Note 5.1 This space also allows access to the PCMCIA Configuration Register through Bank 4.

8 BIT MODE

((nEN16=1)

(16BIT=0))

16 BIT MODE

otherwise

Table 5.2 - Bus Transactions In LOCAL BUS Mode

A0

NSBHE

0

X

D0-7

Even byte

D8-15

-

1

X

Odd byte

0

0

Even byte

-

Odd byte

0

1

Even byte

-

1

0

-

Odd byte

1

1

Invalid cycle

SMSC LAN91C965v&3v

Page 29

DATASHEET

Rev. 09/10/2004

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