LAN9117 Datasheet, PDF (26/114 Pages) SMSC Corporation – HIGH PERFORMANCE SINGLE-CHIP 10/100 NON-PCI ETHERNET CONTROLLER

LAN9117
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.
FIGURE 3-4:
EEPROM ERASE CYCLE
EECS
EECLK
EEDIO (OUTPUT)
EEDIO (INPUT)
1
1
1
A6
t_CSL
A0
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.
FIGURE 3-5:
EEPROM ERAL CYCLE
t_CSL
EECS
EECLK
EEDIO (OUTPUT)
1
0
0
1
0
EEDIO (INPUT)
DS00002267A-page 26
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