LAN91C111-NU Standard Microsystems (SMSC), LAN91C111-NU Datasheet - Page 53

• Manufacturer Part Number: LAN91C111-NU
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN91C111-NU

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.465V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Compliant

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
SMSC LAN91C111 REV C
LS2A
0
0
0
0
1
1
1
1
LS2B
0
0
0
0
1
1
1
1
WHAT DO YOU
WANT TO DO?
10 Half Duplex
10 Full Duplex
LS1A
0
0
1
1
0
0
1
1
LS1B
0
0
1
1
0
0
1
1
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.
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.
LS0A
0
1
0
1
0
1
0
1
LS0B
0
1
0
1
0
1
0
1
AUTO-NEGOTIATION
LED SELECT SIGNAL – LEDA
nPLED3+ nPLED0 – Logical OR of 100Mbps Link detected 10Mbps Link detected
(default)
Reserved
nPLED0 - 10Mbps Link detected
nPLED1 - Full Duplex Mode enabled
nPLED2 - Transmit or Receive packet occurred
nPLED3 - 100Mbps Link detected
nPLED4 - Receive packet occurred
nPLED5 - Transmit packet occurred
LED SELECT SIGNAL – LEDB
nPLED3+ nPLED0 – Logical OR of 100Mbps Link detected 10Mbps Link detected
(default)
Reserved
nPLED0 - 10Mbps Link detected
nPLED1 – Full Duplex Mode enabled
nPLED2 – Transmit or Receive packet occurred
nPLED3 - 100Mbps Link detected
nPLED4 - Receive packet occurred
nPLED5 - Transmit packet occurred
CONTROL BITS
0
0
1
0
0
1
0
1
0
0
1
0
DATASHEET
SPEED AND DUPLEX MODE CONTROL
0
X
0
X
0
0
53
FOR THE PHY
X
X
1
1
0
0
X
X
X
X
0
0
X
X
X
X
1
0
Revision 1.91 (06-01-09)
CONTROL
FOR THE
DUPLEX
MODE
MAC
1
1
1
0
0
0