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LAN9313 Datasheet(PDF) 131 Page - SMSC Corporation

Part # LAN9313
Description  Three Port 10/100 Managed Ethernet Switch with MII
PDF  398 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LAN9313 Datasheet(HTML) 131 Page - SMSC Corporation

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Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
SMSC LAN9313/LAN9313i
131
Revision 1.2 (04-08-08)
DATASHEET
9.4.4
PHY Mode Unmanaged
In PHY mode unmanaged, the Virtual PHY is accessed via the external MII management pins. The
Port 1/2 PHYs, SMI slave, and the PMI are not used in this mode.
The Virtual PHY interface is accessible via the EEPROM Loader. Refer to Section 8.2.4, "EEPROM
Loader," on page 113 for additional information.
Figure 9.4 details the MII multiplexer management path connections for this mode.
Figure 9.4 MII Mux Management Path Connections - PHY Mode Unmanaged
SMI Slave
MDI
MDO
MDIO_ DIR
MDCLK
Parallel
Master
Virtual PHY
MDI
MDO
MDIO_ DIR
MDCLK
Parallel
Slave
PHY2
MDI
MDO
MDIO_ DIR
MDCLK
PHY1
MDI
MDO
MDIO_ DIR
MDCLK
Management
Mode Selection
MII Pins
MDI
MDO
MDIO_DIR
MDC_IN
MDC_ OUT
MDC_DIR
Management
Mode Selection
PMI
MDI
MDO MDCLK
Parallel Slave
MDO_EnN
MDIO
MDC



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