LAN9313I SMSC [SMSC Corporation], LAN9313I Datasheet - Page 113

• Manufacturer Part Number: LAN9313I
• Description: Three Port 10/100 Managed Ethernet Switch with MII
• Manufacturer: SMSC [SMSC Corporation]

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
SMSC LAN9313/LAN9313i
8.2.4
8.2.4.1
EEPROM ADDRESS
14 and above
8 - 11
12
13
0
1
2
3
4
5
6
7
EEPROM Loader
The EEPROM Loader interfaces to the I
CSRs (via the Register Access MUX). All system CSRs are accessible to the EEPROM Loader.
The EEPROM Loader runs upon a pin reset (nRST), power-on reset (POR), digital reset
(DIGITAL_RST bit in the
command via the
page 41
The EEPROM contents must be loaded in a specific format for use with the EEPROM Loader. An
overview of the EEPROM content format is shown in
discussed in detail in the following sections.
EEPROM Loader Operation
Upon a pin reset (nRST), power-on reset (POR), digital reset (DIGITAL_RST bit in the
Register
Register
While the EEPROM Loader is active, the READY bit of the
(HW_CFG)
flow of the EEPROM Loader can be seen in
for additional information on the LAN9313/LAN9313i resets.
(E2P_CMD), the EPC_BUSY bit in the
(RESET_CTL)), or upon the issuance of a RELOAD command via the
is cleared and no writes to the LAN9313/LAN9313i should be attempted. The operational
EEPROM Valid Flag
MAC Address Low Word [7:0]
MAC Address Low Word [15:8]
MAC Address Low Word [23:16]
MAC Address Low Word [31:24]
MAC Address High Word [7:0]
MAC Address High Word [15:8]
Configuration Strap Values Valid Flag
Configuration Strap Values
Burst Sequence Valid Flag
Number of Bursts
Burst Data
Table 8.7 EEPROM Contents Format Overview
EEPROM Command Register
Reset Control Register
DESCRIPTION
DATASHEET
2
C/Microwire EEPROM controller, the PHYs, and to the system
113
Figure
EEPROM Command Register (E2P_CMD)
(RESET_CTL)), or upon the issuance of a RELOAD
(E2P_CMD). Refer to
8.14.
Table
8.7. Each section of EEPROM contents is
Hardware Configuration Register
2
1
3
4
5
6
nd
rd
th
th
th
st
Section 4.2, "Resets," on
See
See
Byte on the Network
Byte on the Network
Byte on the Network
Byte on the Network
Byte on the Network
Byte on the Network
"Register Data"
"Register Data"
See
Section 8.2.4.5,
Section 8.2.4.5,
EEPROM Command
Revision 1.2 (04-08-08)
VALUE
Table 8.8
A5h
A5h
A5h
Reset Control
will be set.