LAN8710A Datasheet, PDF (16/82 Pages) SMSC Corporation – Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR Technology

Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR^® Technology
Datasheet
NUM PINS
NAME
+1.6V to
1
+3.6V
Variable I/O
Power
+1.2V Digital
Core Power
Supply
1
+3.3V
1
Channel 1
Analog Port
Power
+3.3V
Channel 2
1
Analog Port
Power
1
Ground
Table 2.7 Power Pins
SYMBOL
VDDIO
BUFFER
TYPE
DESCRIPTION
P
+1.6V to +3.6V variable I/O power
Refer to the LAN8710A/LAN8710Ai reference
schematic for connection information.
VDDCR
VDD1A
P
Supplied by the on-chip regulator unless
configured for regulator off mode via the
REGOFF configuration strap.
Refer to the LAN8710A/LAN8710Ai reference
schematic for connection information.
Note:
1 uF and 470 pF decoupling capacitors
in parallel to ground should be used on
this pin.
P
+3.3V Analog Port Power to Channel 1
Refer to the LAN8710A/LAN8710Ai reference
schematic for connection information.
VDD2A
VSS
P
+3.3V Analog Port Power to Channel 2 and the
internal regulator.
Refer to the LAN8710A/LAN8710Ai reference
schematic for connection information.
P
Common ground. This exposed pad must be
connected to the ground plane with a via array.
Revision 1.4 (08-23-12)
16
DATASHEET
SMSC LAN8710A/LAN8710Ai