LAN8187-JT Standard Microsystems (SMSC), LAN8187-JT Datasheet - Page 33

• Manufacturer Part Number: LAN8187-JT
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN8187-JT

• Number Of Receivers: 1
• Data Rate: 10/100Mbps
• Operating Supply Voltage (typ): 3.3V
• Package Type: TQFP
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Mounting: Surface Mount
• Pin Count: 64
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Lead Free Status / RoHS Status: Compliant

±15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX & flexPWR
Datasheet
SMSC LAN8187/LAN8187i
MDIO
MDI0
MDC
MDC
Preamble
Preamble
32 1's
32 1's
Start of
Start of
0
Frame
0
Frame
Figure 4.7 MDIO Timing and Frame Structure - WRITE Cycle
Figure 4.6 MDIO Timing and Frame Structure - READ Cycle
1
1
1
0
Code
Code
OP
OP
0
1
A4 A3 A2 A1 A0 R4 R3 R2 R1 R0
A4 A3 A2 A1 A0 R4 R3 R2 R1 R0
PHY Address
PHY Address
Data To Phy
Read Cycle
Write Cycle
DATASHEET
Data To Phy
33
®
Register Address
Register Address
Technology
Around
Around
Turn
Turn
D15
D15
D14
D14
Data From Phy
Revision 1.6 (02-27-09)
Data
Data
...
...
...
...
D1
D1
D0
D0