LAN89218AQ Standard Microsystems (SMSC), LAN89218AQ Datasheet - Page 17

• Manufacturer Part Number: LAN89218AQ
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN89218AQ

• Lead Free Status / RoHS Status: Compliant

High Performance Single-Chip 10/100 Ethernet Controller for Automotive Applications
Datasheet
SMSC LAN89218
PHY External Bias
Resistor
NAME
TPO+
TPO-
TPI+
TPI-
Note: The pin names for the twisted pair pins shown above apply to a normal connection. If HP Auto-
MDIX is enabled and a reverse connection is detected, or a reverse connection is manually
selected, the input pins become outputs, and vice-versa, as indicated in the descriptions.
SYMBOL
EXRES1
TPO+
TPO-
TPI+
TPI-
Table 2.2 LAN Interface Signals
BUFFER
TYPE
AIO
AIO
AIO
AIO
AI
DATASHEET
PINS
NUM
17
1
1
1
1
1
Transmit Positive Output (normal)
Receive Positive Input (reversed)
Transmit Negative Output (normal)
Receive Negative Input (reversed)
Receive Positive Input (normal)
Transmit Positive Input (reversed)
Receive Negative Input (normal)
Transmit Negative Output (reversed)
Must be connected to ground through a 12.4 kΩ
1% resistor.
DESCRIPTION
Revision 1.3 (02-23-10)