LAN9313 Datasheet, PDF (24/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
Table 2.1 LAN9313/LAN9313i Modes
MODE
I²C/MICROWIRE
EEPROM
INTERFACE
I²C/SPI
SLAVE
INTERFACE
SMI/MIIM
INTERFACE
MAC Mode
Unmanaged
Used to load initial
configuration from
EEPROM
MAC Mode
SMI Managed
Used to load initial
configuration from
EEPROM and for
CPU R/W access to
EEPROM
MAC Mode
I²C Managed
Used to load initial
configuration from
EEPROM and for
CPU R/W access to
EEPROM
MAC Mode
SPI Managed
Used to load initial
configuration from
EEPROM and for
CPU R/W access to
EEPROM
PHY Mode
Unmanaged
Used to load initial
configuration from
EEPROM
PHY Mode
SMI Managed
Used to load initial
configuration from
EEPROM and for
CPU R/W access to
EEPROM
PHY Mode
I²C Managed
Used to load initial
configuration from
EEPROM and for
CPU R/W access to
EEPROM
PHY Mode
SPI Managed
Used to load initial
configuration from
EEPROM and for
CPU R/W access to
EEPROM
Not used
Not used
Not used
I²C slave
SMI/MIIM slave,
used for CPU
access to internal
PHYs and non-PHY
registers
MIIM master,
used for CPU
access to external
PHY registers
SPI slave
MIIM master,
used for CPU
access to external
PHY registers
Not used
Not used
I²C slave
SPI slave
Virtual MIIM slave,
used for external
MAC access to
Virtual PHY
registers
SMI/MIIM slave,
used for CPU
access to internal
PHYs, Virtual PHY,
and non-PHY
registers
Virtual MIIM slave,
used for external
MAC access to
Virtual PHY
registers
Virtual MIIM slave,
used for external
MAC access to
Virtual PHY
registers
MII_MODE_
STRAP
VALUE
0
0
0
0
1
1
1
1
MNGT_MODE_
STRAP[1:0]
VALUE
00
01
10
11
00
01
10
11
Revision 1.2 (04-08-08)
24
DATASHEET
SMSC LAN9313/LAN9313i