LAN91C111-NU Standard Microsystems (SMSC), LAN91C111-NU Datasheet - Page 71

• 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
SYMBOL
IDLE
ST1
ST0
READ
WRITE
PHYAD[4:0]
<Idle>
IDLE
REGISTER ADDRESS
<Start>
ST[1:0]
PHY Register Description
D[15:0]
Register 0
Register 1
Register 2
Register 3
Register 4
Register 5
Register 16
Register 17
Register 18
Register 19
Register 20
↓
NAME
Idle Pattern
Start Bits
Read Select
Write Select
Physical
Device
Address
17
18
19
20
<Read>
READ
<Write>
DEFINITION
These bits are an idle pattern. Device will not initiate an MI cycle until
it detects at least 32 1's
When ST[1:0]=01, a MI Serial Port access cycle starts.
1 = Read Cycle
1 = Write Cycle
PHYSICAL ADDRESS
WRITE
Control
Status
PHY ID#1
PHY ID#2
AutoNegotiation Advertisement
AutoNegotiation Remote End Capability
Configuration 1
Configuration 2
Status Output
Mask
Reserved
Table 9.1 MII Serial Frame Structure
<PHY Addr.>
PHYAD[4:0]
DATASHEET
71
<REG.Addr.>
REGAD[4:0]
REGISTER NAME
Configuration 2
Status Output
Reserved
Mask
<Turnaround>
TA[1:0]
Revision 1.91 (06-01-09)
R/W
W
W
W
W
R
<Data>
D[15:0]