LAN9303MI-AKZE Standard Microsystems (SMSC), LAN9303MI-AKZE Datasheet - Page 119

• Manufacturer Part Number: LAN9303MI-AKZE
• Manufacturer: Standard Microsystems (SMSC)

Specifications of LAN9303MI-AKZE

• Lead Free Status / Rohs Status: Compliant

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
SMSC LAN9303M/LAN9303Mi
When issuing a READ command, the
EEPROM Controller Address (EPC_ADDRESS)
(E2P_CMD)
The READ command is executed by setting the
EEPROM Command Register
EEPROM Controller Busy (EPC_BUSY)
be read from the
The RELOAD operation is performed by writing the RELOAD command into the
Command (EPC_COMMAND)
is executed by setting the
Register
(EPC_BUSY)
If an operation is attempted and the EEPROM device does not respond within 30mS, the device will
time-out, and the
Register (E2P_CMD)
Figure 8.6
EPC_BUSY = 0
(E2P_CMD). In all cases, the software must wait for the
illustrates the process required to perform an EEPROM read or write operation.
must be configured with the desired command value and the read address, respectively.
bit to clear before modifying the
EEPROM Data Register
EEPROM Write
EEPROM Controller Timeout (EPC_TIMEOUT)
Figure 8.6 EEPROM Access Flow Diagram
E2P_DATA
E2P_CMD
E2P_CMD
will be set.
Register
Register
Register
Write
Write
Read
Idle
EEPROM Controller Busy (EPC_BUSY)
field of the
(E2P_CMD). The completion of the operation is indicated when the
DATASHEET
bit is cleared, at which time the data from the EEPROM may
EEPROM Controller Command (EPC_COMMAND)
119
(E2P_DATA).
EEPROM Command Register
EEPROM Command Register
EEPROM Controller Busy (EPC_BUSY)
fields of the
EEPROM Read
E2P_DATA
E2P_CMD
E2P_CMD
Register
Register
Register
Write
Read
Read
Idle
EEPROM Command Register
bit of the
EPC_BUSY = 0
bit of the
EEPROM Controller Busy
(E2P_CMD). The command
(E2P_CMD).
EEPROM Command
EEPROM Command
Revision 1.4 (07-07-10)
EEPROM Controller
bit of the
and