LAN9313I SMSC [SMSC Corporation], LAN9313I Datasheet - Page 132

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

Revision 1.2 (04-08-08)
9.4.5
PHY Mode SMI Managed
In PHY mode SMI managed, the internal PHYs, Virtual PHY, and SMI slave block are accessed via
the MII management pins. The PMI is not used in this mode.
The Virtual PHY interface is accessible via the SMI slave or the EEPROM Loader. Refer to
9.2, "SMI Slave Controller," on page 125
additional information.
Figure 9.2
Figure 9.5 MII Mux Management Path Connections - PHY Mode SMI Managed
MDI
MDCLK
MDI
MDCLK
MDI
MDCLK
MDI
MDCLK
Virtual PHY
details the MII multiplexer management path connections for this mode.
SMI Slave
Mode Selection
PHY2
PHY1
Management
Parallel
Parallel
Master
Slave
MDIO_ DIR
MDIO_ DIR
MDIO_ DIR
MDIO_ DIR
MDO
MDO
MDO
MDO
DATASHEET
132
and
Mode Selection
Management
Section 8.2.4, "EEPROM Loader," on page 113
MDO MDCLK
Parallel Slave
PMI
Three Port 10/100 Managed Ethernet Switch with MII
MDI
MDO_EnN
MDIO_DIR
MDO
MDI
MDC_DIR
MDC_ OUT
MDC_IN
MII Pins
SMSC LAN9313/LAN9313i
MDIO
MDC
Datasheet
Section
for