LAN9313-NU SMSC, LAN9313-NU Datasheet - Page 30
![Ethernet ICs Three Port 10/100 Ethernet Switch](/photos/27/13/271356/lan9313_sml.jpg)
LAN9313-NU
Manufacturer Part Number
LAN9313-NU
Description
Ethernet ICs Three Port 10/100 Ethernet Switch
Manufacturer
SMSC
Type
Three Port Managed Ethernet Switchr
Datasheet
1.LAN9313-NZW.pdf
(399 pages)
Specifications of LAN9313-NU
Ethernet Connection Type
10 Base-T, 100 Base-TX
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Product
Ethernet Switches
Number Of Transceivers
1
Standard Supported
802.3, 802.3u
Data Rate
10 Mbps, 100 Mbps
Supply Voltage (max)
3.6 V
Supply Voltage (min)
0 V
Supply Current (max)
155 mA, 270 mA
Maximum Operating Temperature
+ 70 C
Package / Case
TQFP-100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Revision 1.7 (06-29-10)
19,20,22,23
122,125
PIN
PIN
120
121
118
4
Analog Power
+3.3V Master
+1.8V Power
+1.8V Power
+3.3V Port 2
MII Transmit
Bias Power
Transmitter
Transmitter
Transmitter
Enable
Supply
Supply
Supply
Supply
NAME
NAME
Port 2
Port 1
Data
MII
Table 3.3 LAN Port 1 & 2 Power and Common Pins (continued)
VDD33BIAS
VDD18TX2
VDD18TX1
SYMBOL
VDD33A2
SYMBOL
TXD[3:0]
Table 3.4 LAN Port 0(External MII) Pins
TXEN
DATASHEET
BUFFER
BUFFER
Note 3.3
Note 3.3
TYPE
IS/O8
IS/O8
TYPE
(PD)
(PD)
P
P
P
P
30
MII Transmit Data: The functionality of these
signals is dependant on the mode of the
LAN9313/LAN9313i:
MII Transmit Enable: Indicates valid data on
TXD[3:0].
+3.3V Port 2 Analog Power Supply
Refer to the LAN9313/LAN9313i application note
for additional connection information.
+3.3V Master Bias Power Supply
Refer to the LAN9313/LAN9313i application note
for additional connection information.
Port 2 Transmitter +1.8V Power Supply: This pin
is supplied from the internal PHY voltage regulator.
This pin must be tied to the VDD18TX1 pin for
proper operation.
Refer to the LAN9313/LAN9313i application note
for additional connection information.
+1.8V Port 1 Transmitter Power Supply: This pin
must be connected directly to the VDD18TX2 pin
for proper operation.
Refer to the LAN9313/LAN9313i application note
for additional connection information.
In MAC mode, this is the data from the
LAN9313/LAN9313i switch to an external PHY.
See
In PHY mode, this is the data from an external
MAC to the LAN9313/LAN9313i switch.
In MAC mode, this signal is output to an external
PHY. See
In PHY mode, this signal is input from an external
MAC.
Note
3.3.
Note
Three Port 10/100 Managed Ethernet Switch with MII
3.3.
DESCRIPTION
DESCRIPTION
SMSC LAN9313/LAN9313i
Datasheet
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