LAN9115_05 SMSC [SMSC Corporation], LAN9115_05 Datasheet - Page 36

• Manufacturer Part Number: LAN9115_05
• Description: Highly Efficient Single- Chip 10/100 Non-PCI Ethernet Controller
• Manufacturer: SMSC [SMSC Corporation]

Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
READ (Read Location): This command will cause a read of the EEPROM location pointed to by EPC
Address (EPC_ADDR). The result of the read is available in the E2P_DATA register.
t
CSL
EECS
EECLK
EEDIO (OUTPUT)
1
1
0
A6
A0
EEDIO (INPUT)
D7
D0
Figure 3.8 EEPROM READ Cycle
WRITE (Write Location): If erase/write operations are enabled in the EEPROM, this command will
cause the contents of the E2P_DATA register to be written to the EEPROM location selected by the
EPC Address field (EPC_ADDR). The EPC_TO bit is set if the EEPROM does not respond within
30ms.
t
CSL
EECS
EECLK
EEDIO (OUTPUT)
1
0
1
A6
A0
D7
D0
EEDIO (INPUT)
Figure 3.9 EEPROM WRITE Cycle
Revision 1.1 (05-17-05)
36
SMSC LAN9115
DATASHEET