LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 147
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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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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