LAN9313-NU SMSC, LAN9313-NU Datasheet - Page 28
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)
3.2
89-92
PIN
110
115
116
111
This section contains the descriptions of the LAN9313/LAN9313i pins. The pin descriptions have been
broken into functional groups as follows:
Note: A list of buffer type definitions is provided in
Pin Descriptions
Ethernet RX
Ethernet RX
Purpose I/O
Ethernet TX
Ethernet TX
Port 1 LED
LAN Port 1 Pins
LAN Port 2 Pins
LAN Port 1 & 2 Power and Common Pins
LAN Port 0(External MII) Pins
Dedicated Configuration Strap Pins
EEPROM Pins
Serial Management Pins
Miscellaneous Pins
PLL Pins
Core and I/O Power and Ground Pins
No-Connect Pins
Indicators
Negative
Negative
General
Positive
Positive
NAME
Port 1
Port 1
Port 1
Port 1
Data
nP1LED[3:0]
GPIO[3:0]
SYMBOL
TXN1
RXN1
RXP1
TXP1
Table 3.1 LAN Port 1 Pins
DATASHEET
BUFFER
IS/O12/
TYPE
OD12
OD12
(PU)
AIO
AIO
AIO
AIO
28
LED Indicators: When configured as LED outputs
via the
these pins are open-drain, active low outputs and
the pull-ups and input buffers are disabled. The
functionality of each pin is determined via the
LED_CFG[9:8] bits.
General Purpose I/O Data: When configured as
GPIO via the
(LED_CFG), these general purpose signals are
fully programmable as either push-pull outputs,
open-drain outputs or Schmitt-triggered inputs by
writing the
Register (GPIO_CFG)
Data & Direction Register
pull-ups are enabled in GPIO mode. The input
buffers are disabled when set as an output.
Note:
Ethernet TX Negative: Negative output of Port 1
Ethernet transmitter. See
information.
Ethernet TX Positive: Positive output of Port 1
Ethernet transmitter. See
information.
Ethernet RX Negative: Negative input of Port 1
Ethernet receiver. See
information.
Ethernet RX Positive: Positive input of Port 1
Ethernet receiver. See
information.
Section 1.2, "Buffer Types," on page
LED Configuration Register
See
on page 142
General Purpose I/O Configuration
Three Port 10/100 Managed Ethernet Switch with MII
LED Configuration Register
Chapter 12, "GPIO/LED Controller,"
DESCRIPTION
for additional details.
and
Note 3.1
Note 3.1
Note 3.1
Note 3.1
(GPIO_DATA_DIR). The
General Purpose I/O
SMSC LAN9313/LAN9313i
for additional
for additional
for additional
for additional
(LED_CFG),
16.
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