LAN91C111 Datasheet, PDF (63/142 Pages) SMSC Corporation – 10/100 Non-PCI Ethernet Single Chip MAC + PHY

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
WHAT DO YOU
WANT TO DO?
10 Full Duplex
10 Half Duplex
AUTO-
NEGOTIATION
CONTROL BITS
0
0
0
1
1
0
0
0
0
1
1
0
SPEED AND DUPLEX MODE CONTROL
FOR THE PHY
0
1
X
X
0
1
X
X
X
X
0
1
0
0
X
X
0
0
X
X
X
X
0
0
DUPLEX
MODE
CONTROL
FOR THE
MAC
1
1
1
0
0
0
LS2A, LS1A, LS0A – LED select Signal Enable. These bits define what LED control signals are routed
to the LEDA output pin on the LAN91C111 Ethernet Controller. The default is 10/100 Link detected.
LS2A LS1A LS0A LED SELECT SIGNAL – LEDA
0
0
0
nPLED3+ nPLED0 – Logical OR of 100Mbps Link detected 10Mbps Link detected
(default)
0
0
1
Reserved
0
1
0
nPLED0 - 10Mbps Link detected
0
1
1
nPLED1 - Full Duplex Mode enabled
1
0
0
nPLED2 - Transmit or Receive packet occurred
1
0
1
nPLED3 - 100Mbps Link detected
1
1
0
nPLED4 - Receive packet occurred
1
1
1
nPLED5 - Transmit packet occurred
LS2B, LS1B, LS0B – LED select Signal Enable. These bits define what LED control signals are routed
to the LEDB output pin on the LAN91C111 Ethernet Controller. The default is 10/100 Link detected.
LS2B LS1B LS0B LED SELECT SIGNAL – LEDB
0
0
0
nPLED3+ nPLED0 – Logical OR of 100Mbps Link detected 10Mbps Link detected
(default)
0
0
1
Reserved
0
1
0
nPLED0 - 10Mbps Link detected
0
1
1
nPLED1 – Full Duplex Mode enabled
1
0
0
nPLED2 – Transmit or Receive packet occurred
1
0
1
nPLED3 - 100Mbps Link detected
1
1
0
nPLED4 - Receive packet occurred
1
1
1
nPLED5 - Transmit packet occurred
SMSC LAN91C111-REV B
63
DATASHEET
Revision 1.8 (07-13-05)