Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet
Table 5.1 - LAN91C96 Address Space
SIGNALS
USED
LOCAL
ON-
PCMCIA 68000
DEPTH
WIDTH
BUS
CHIP
PCMCIA
Attribute
Memory
nOE, nWE
nOE, nWE
nIORD/
N
Y
Y
Y
N
N
Y
N
Up to 32k
locations,
only even
bytes are
usable
8 bits on
even
(extern
addresses
al
ROM)
PCMCIA
N
Y
Y
64
8 bits
Configuration
Registers
locations,
only even
bytes are
usable
Ethernet I/O
space
(Note 5.1)
Y
16 locations 8 or 16
bits
(68K: 16
bits only)
nIOWR (68K:
xDS, R/nW)
Note 5.1
This space also allows access to the PCMCIA Configuration Register through Bank 4.
Table 5.2 - Bus Transactions In LOCAL BUS Mode
A0
0
NSBHE
D0-7
Even byte
D8-15
8 BIT MODE
X
-
((nEN16=1)
(16BIT=0))
1
0
X
0
Odd byte
Even byte
-
16 BIT MODE
otherwise
Odd byte
0
1
1
1
0
1
Even byte
-
-
Odd byte
Invalid cycle
SMSC LAN91C965v&3v
Page 29
Rev. 09/10/2004
DATASHEET
SMSC [ SMSC CORPORATION ]
