LAN9312-NU Standard Microsystems (SMSC), LAN9312-NU Datasheet - Page 147
![no-image](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__sml.jpg)
LAN9312-NU
Manufacturer Part Number
LAN9312-NU
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LAN9312-NU.pdf
(458 pages)
Specifications of LAN9312-NU
Number Of Primary Switch Ports
2
Operating Supply Voltage (typ)
3.3V
Fiber Support
No
Phy/transceiver Interface
MII
Power Supply Type
Analog
Data Rate (typ)
10/100Mbps
Vlan Support
Yes
Operating Temperature (max)
70C
Operating Temperature (min)
0C
Pin Count
128
Mounting
Surface Mount
Jtag Support
No
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Commercial
Data Rate
100Mbps
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LAN9312-NU
Manufacturer:
Microchip Technology
Quantity:
10 000
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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9312
10.2.3.5
10.2.3.6
EECLK
EEDO
EECS
EEDI
EECLK
EEDO
EECS
EEDI
EWEN (Erase/Write Enable)
This command enables the EEPROM for erase and write operations. The EEPROM will allow erase
and write operations until the EWDS command is sent, or until power is cycled.
Note: The EEPROM will power-up in the erase/write disabled state. Any erase or write operations
READ (Read Location)
This command will cause a read of the EEPROM location pointed to by the EPC_ADDRESS field of
the
Register
EEPROM Command Register
will fail until an EWEN command is issued.
(E2P_DATA).
1
1
1
Figure 10.10 EEPROM EWEN Cycle
Figure 10.11 EEPROM READ Cycle
0
0
(E2P_CMD). The result of the read is available in the
DATASHEET
Ax
0
147
1
A0
1
D7
D0
Revision 1.7 (06-29-10)
EEPROM Data
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