LAN8187-JT SMSC, LAN8187-JT Datasheet - Page 34

• Manufacturer Part Number: LAN8187-JT
• Description: Ethernet ICs HiPerfrm Ethrnt PHY
• Manufacturer: SMSC
• Type: MII/RMII Ethernet Transceiverr

Specifications of LAN8187-JT

• Ethernet Connection Type: 10 Base-T, 100 Base-TX
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Product: Ethernet Transceivers
• Number Of Transceivers: 1
• Standard Supported: 802.3ab
• Data Rate: 10 MB, 100 MB
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): 1.8 V
• Supply Current (max): 39 mA, 81.6 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Revision 1.7 (03-04-11)
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
±15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX & flexPWR
DATASHEET
Data To Phy
34
Register Address
Register Address
Around
Around
Turn
Turn
D15
D15
D14
D14
SMSC LAN8187/LAN8187i
Data From Phy
Data
Data
...
...
...
...
D1
D1
Datasheet
®
Technology
D0
D0