LAN9218I-MT-E2 SMSC [SMSC Corporation], LAN9218I-MT-E2 Datasheet - Page 33

• Manufacturer Part Number: LAN9218I-MT-E2
• Description: High-Performance Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX & Industrial Temperature Support
• Manufacturer: SMSC [SMSC Corporation]

High-Performance Single-Chip 10/100 Ethernet Controller with HP Auto-MDIX & Industrial Temperature Support
Datasheet
SMSC LAN9218I
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
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0
DATASHEET
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0
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0
1
0
1
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CSL
Revision 1.5 (07-18-06)
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