lan9312 Standard Microsystems Corp., lan9312 Datasheet - Page 148

• Manufacturer Part Number: lan9312
• Description: Lan9312 High Performance Two Port 10/100 Managed Ethernet Switch With 32-bit Non-pci Cpu Interface
• Manufacturer: Standard Microsystems Corp.

Revision 1.2 (04-08-08)
10.2.3.7
10.2.3.8
EECLK
EECLK
EEDO
EEDO
EECS
EECS
EEDI
EEDI
WRITE (Write Location)
If erase/write operations are enabled in the EEPROM, this command will cause the contents of the
EEPROM Data Register (E2P_DATA)
EPC_ADDRESS field of the
EEPROM Command Register (E2P_CMD)
WRAL (Write All)
If erase/write operations are enabled in the EEPROM, this command will cause the contents of the
EEPROM Data Register (E2P_DATA)
EPC_TIMEOUT bit of the
respond within 30mS.
1
1
0
0
0
1
0
Figure 10.12 EEPROM WRITE Cycle
Figure 10.13 EEPROM WRAL Cycle
Ax
EEPROM Command Register (E2P_CMD)
EEPROM Command Register
High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface
1
DATASHEET
A0
to be written to the EEPROM location pointed to by the
to be written to every EEPROM memory location. The
148
is set if the EEPROM does not respond within 30mS.
D7
D7
(E2P_CMD). The EPC_TIMEOUT bit of the
D0
D0
is set if the EEPROM does not
SMSC LAN9312
Datasheet