LAN9218I-MT Standard Microsystems (SMSC), LAN9218I-MT Datasheet - Page 34

• Manufacturer Part Number: LAN9218I-MT
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9218I-MT

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 2.97V
• Operating Supply Voltage (max): 3.63V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Lead Free Status / RoHS Status: Compliant

Revision 2.7 (03-15-10)
EEDIO (OUTPUT)
EEDIO (INPUT)
EEDIO (OUTPUT)
EWDS (Erase/Write Disable): After issued, the EEPROM will ignore erase and write commands. To
re-enable erase/write operations issue the EWEN command.
EWEN (Erase/Write Enable): Enables the EEPROM for erase and write operations. The EEPROM
will allow erase and write operations until the “Erase/Write Disable” command is sent, or until power
is cycled.
Note: The EEPROM device will power-up in the erase/write-disabled state. Any erase or write
EEDIO (INPUT)
EECLK
EECS
operations will fail until an Erase/Write Enable command is issued.
EECLK
EECS
1
1
Figure 3.5 EEPROM EWDS Cycle
Figure 3.6 EEPROM EWEN Cycle
High-Performance Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX and Industrial Temperature Support
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SMSC LAN9218i
Datasheet