LAN9220_12 Datasheet, PDF (40/151 Pages) SMSC Corporation – 16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support

16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support
Datasheet
ERASE (Erase Location): If erase/write operations are enabled in the EEPROM, this command will
erase the location selected by the EPC Address field (EPC_ADDR). The EPC_TO bit is set if the
EEPROM does not respond within 30ms.
EECS
EECLK
EEDIO (OUTPUT)
EEDIO (INPUT)
t_CSL
1
1
1
A6
A0
Figure 3.11 EEPROM ERASE Cycle
ERAL (Erase All): If erase/write operations are enabled in the EEPROM, this command will initiate a
bulk erase of the entire EEPROM.The EPC_TO bit is set if the EEPROM does not respond within
30ms.
t_CSL
EECS
EECLK
EEDIO (OUTPUT)
1
0
0
1
0
EEDIO (INPUT)
Figure 3.12 EEPROM ERAL Cycle
Revision 2.9 (03-01-12)
40
DATASHEET
SMSC LAN9220