Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet
ECSR Power Down bit must not be set to one (1) in LOCAL BUS mode.
Table 5.8 - PCMCIA Mode (Refer To Table 5.7 For Next States To Wake-Up Events)
CURRENT STATE
CTR
PWRDWN
PIN
ECOR
FUNC
ECSR
PWR
CTR
WAKEUP_E
N BIT
PWR
DWN
BIT
POWERS
DOWN
DOES NOT POWER
DOWN
NO.
(A=ASSRTD)
ENABLE
DOWN
1
A
X
X
X
X
Everything.
Asserts the
modem power
down pin
(nPWDN)
also
2
3
nA
nA
1
1
0
0
0
0
0
1
Ethernet Tx, Rx,
Link; PCMCIA
Att/Config Mem
Ethernet Rx, Link;
PCMCIA Att/Config
Mem
Ethernet Tx
4
5
6
nA
nA
nA
1
0
0
0
X
X
1
X
X
1
0
1
Ethernet Tx,
Rx1, Link1
PCMCIA Att/Conf
Memory
Ethernet Tx,
PCMCIA Att/Conf
Memory
Rx, Link
Ethernet Tx,
Rx1, Link1
PCMCIA Att/Conf
Memory
7
7S
8
nA
nA
nA
nA
1
1
1
1
1
1
1
1
0
1
0
1
0
0
1
1
Ethernet Tx,
PCMCIA Att/Config
Mem
Rx, Link
Ethernet Tx,
Rx, Link
PCMCIA Att/Config
Mem
Ethernet Tx,
PCMCIA Att/Config
Mem
Rx1, Link1
8S
Ethernet Tx,
Rx1, Link1
PCMCIA Att/Config
Mem
Note1:
The LAN91C96 implementation is different from the LAN91C95; the LAN91C96 powers down the Ethernet
Rx and Link logic also, whereas, the LAN91C95 does not.
Table 5.9 - PCMCIA Mode
NEXT STATE
ECOR
ECSR
CTR
PWRDWN
BIT
CTR
WAKEUP_EN
BIT
PWR DWN PIN
(A= ASSRTD)
NO.
WAKES UP BY
FUNC
PWR
COMMENTS
ENABLE
DOWN
1
PWRDWN Pin
deassertion
nA
No
No
No change
No change
Pin deassertion
will make the
Att/Conf Mem
accessible
change
change
entirely
2
3
nA
nA
1
1
0
0
0
0
0
0
Fully Awake
By writing a 0 to
CTR WAKEUP_EN
bit
SMSC LAN91C965v&3v
Page 33
Rev. 09/10/2004
DATASHEET
SMSC [ SMSC CORPORATION ]
