LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 32
LAN9312-NU
Manufacturer Part Number
LAN9312-NU
Description
Ethernet ICs Hi Per 2 Port 10/100 Ethernet Switch
Manufacturer
SMSC
Type
Two Port Managed Ethernet Switchr
Datasheet
1.LAN9312-NZW.pdf
(458 pages)
Specifications of LAN9312-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)
3.3 V
Supply Voltage (min)
0 V
Supply Current (max)
185 mA, 295 mA
Maximum Operating Temperature
+ 70 C
Package / Case
TQFP-100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9312-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
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Revision 1.7 (06-29-10)
PIN
101
99
Note 3.3
Note 3.4
Note 3.5
EEPROM I
Size Strap 1
Size Strap 0
Serial Clock
Serial Clock
Chip Select
EEPROM
Microwire
EEPROM
EEPROM
Microwire
EEPROM
NAME
The IS buffer type is valid only during the time specified in
Configuration Strap Timing," on page
Configuration strap values are latched on power-on reset or nRST de-assertion.
Configuration strap pins are identified by an underlined symbol name. Refer to
4.2.4, "Configuration Straps," on page 40
The IS buffer type is valid only during the time specified in
Configuration Strap Timing," on page 443
2
C
EEPROM_SIZE_1
EEPROM_SIZE_0
SYMBOL
EE_SCL
EECLK
EECS
Table 3.5 EEPROM Pins (continued)
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
DATASHEET
BUFFER
IS/OD8
Note 3.5
Note 3.3
TYPE
O8
O8
IS
IS
32
EEPROM Microwire Serial Clock (EECLK): In
Microwire EEPROM mode (EEPROM_TYPE = 0),
this pin is the Microwire EEPROM clock output.
EEPROM I
EEPROM mode (EEPROM_TYPE=1), this pin is
the I
Note:
EEPROM Size Strap 1: Configures the high bit of
the EEPROM size range as specified in
10.2, "I2C/Microwire Master EEPROM Controller,"
on page
EEPROMs. See
EEPROM Microwire Chip Select: In Microwire
EEPROM mode (EEPROM_TYPE = 0), this pin is
the Microwire EEPROM chip select output.
Note:
EEPROM Size Strap 0: Configures the low bit of
the EEPROM size range as specified in
10.2, "I2C/Microwire Master EEPROM Controller,"
on page
443.
for more information.
2
and when in I
C EEPROM clock input/open-drain output.
137. This bit is not used for I
137. See
If I
required when using an EEPROM and is
recommended if no EEPROM is attached.
In I
is not used and is driven low.
2
2
C Serial Clock (EE_SCL): In I
2
C is selected, an external pull-up is
C mode (EEPROM_TYPE=1), this pin
Note
DESCRIPTION
2
Note
C mode.
3.4.
3.4.
Section 15.5.2, "Reset and
Section 15.5.2, "Reset and
SMSC LAN9312
2
C
Section
Section
Datasheet
2
C
Section
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