®
Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology
Datasheet
Table 2.2 LED Pins (continued)
BUFFER
NUM PINS
NAME
SYMBOL
TYPE
DESCRIPTION
LED 2
LED2
O12
Link Speed LED Indication. This pin is driven
active when the operating speed is 100Mbps. It
is inactive when the operating speed is 10Mbps
or during line isolation.
Note:
Refer to Section 3.8.1, "LEDs," on
page 39 for additional LED information.
nINT/TXER/
TXD4
nINTSEL
IS
(PU)
This configuration strap selects the mode of the
nINT/TXER/TXD4 pin.
Function
Select
Configuration
Strap
When nINTSEL is floated or pulled to VDD2A,
nINT is selected for operation on the
nINT/TXER/TXD4 pin (default).
1
When nINTSEL is pulled low to VSS,
TXER/TXD4 is selected for operation on the
nINT/TXER/TXD4 pin.
See Note 2.2 for more information on
configuration straps.
Note:
Refer to See Section 3.8.1.2, "nINTSEL
and LED2 Polarity Selection," on
page 39 for additional information.
Note 2.2 Configuration strap values are latched on power-on reset and system reset. Configuration
straps are identified by an underlined symbol name. Signals that function as configuration
straps must be augmented with an external resistor when connected to a load. Refer to
Section 3.7, "Configuration Straps," on page 36 for additional information.
Table 2.3 Serial Management Interface (SMI) Pins
BUFFER
NUM PINS
NAME
SYMBOL
TYPE
DESCRIPTION
SMI Data
Input/Output
MDIO
VIS/
VOD8
Serial Management Interface data input/output
1
1
SMI Clock
MDC
VIS
Serial Management Interface clock
Table 2.4 Ethernet Pins
BUFFER
TYPE
NUM PINS
NAME
SYMBOL
DESCRIPTION
Ethernet
TX/RX
Positive
Channel 1
TXP
AIO
Transmit/Receive Positive Channel 1
1
Ethernet
TX/RX
Negative
TXN
AIO
Transmit/Receive Negative Channel 1
1
Channel 1
Revision 1.4 (08-23-12)
14
SMSC LAN8710A/LAN8710Ai
DATASHEET
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