LAN91C111-NU Standard Microsystems (SMSC), LAN91C111-NU Datasheet - Page 76

• 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

Revision 1.91 (06-01-09)
9.3
9.4
REG
TX_HDX
2
3
3
3
RW
RW
NP
0
1
15-10
BITS
15-0
Register 2&3. PHY Identifier Register
Register 4. Auto-Negotiation Advertisement Register
9-4
3-0
REM_FLT- Remote Fault Detect
‘1’ indicates a Remote Fault. Latches the ‘1’ condition and is cleared by reading this register or
resetting the PHY.
CAP_ANEG - AutoNegotiation Capable
Indicates the ability (‘1’) to perform ANEG or not (‘0’).
LINK - Link Status
A ‘1’ indicates a valid Link and a ‘0’ and invalid Link. The ‘0’ condition is latched until this register is
read.
JAB - Jabber Detect
Jabber condition detected when ‘1’ for 10Mbps. ‘1’ latched until this register is read or the PHY is reset.
Always ‘0’ for 100Mbps
EXREG - Extended Capability register
These two registers (offsets 2 and 3) provide a 32-bit value unique to the PHY.
This register control the values transmitted by the PHY to the remote partner when advertising its
abilities
‘1’ Indicates extended registers are implemented
10_FDX
ACK
RW
R
1
0
Manufacturer's Revision #
Manufacturer's ID
Company ID
Company ID
NAME
10_HDX
RW
RW
RF
0
1
DATASHEET
Reserved
Reserved
RW
RW
0
0
0000000000010110
DEFAULT VALUE
76
000100
111110
- - - -
Reserved
Reserved
RW
RW
0
0
10/100 Non-PCI Ethernet Single Chip MAC + PHY
Reserved
Reserved
RW
RW
0
0
R/W
R
R
R
R
Retains Original Value
Retains Original Value
Retains Original Value
Retains Original Value
Reserved
SMSC LAN91C111 REV C
RW
RW
T4
SOFT RESET
0
0
TX_FDX
CSMA
Datasheet
RW
RW
1
1