LAN9312-NU SMSC, LAN9312-NU Datasheet - Page 148
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)
10.2.3.7
10.2.3.8
EECLK
EECLK
EEDO
EEDO
EECS
EECS
EEDI
EEDI
WRITE (Write Location)
If erase/write operations are enabled in the EEPROM, this command will cause the contents of the
EEPROM Data Register (E2P_DATA)
EPC_ADDRESS field of the
EEPROM Command Register (E2P_CMD)
WRAL (Write All)
If erase/write operations are enabled in the EEPROM, this command will cause the contents of the
EEPROM Data Register (E2P_DATA)
EPC_TIMEOUT bit of the
respond within 30mS.
1
1
0
0
0
1
0
Figure 10.12 EEPROM WRITE Cycle
Figure 10.13 EEPROM WRAL Cycle
Ax
EEPROM Command Register (E2P_CMD)
EEPROM Command Register
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
1
DATASHEET
A0
to be written to the EEPROM location pointed to by the
to be written to every EEPROM memory location. The
148
is set if the EEPROM does not respond within 30mS.
D7
D7
(E2P_CMD). The EPC_TIMEOUT bit of the
D0
D0
is set if the EEPROM does not
SMSC LAN9312
Datasheet
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