lan9313 Standard Microsystems Corp., lan9313 Datasheet - Page 133

• Manufacturer Part Number: lan9313
• Description: Lan9313/lan9313i Three Port 10/100 Managed Ethernet Switch With Mii
• Manufacturer: Standard Microsystems Corp.

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
SMSC LAN9313/LAN9313i
9.4.6
PHY Mode I
In PHY mode I
is accessed via the external MII management pins. The SMI slave is not used in these modes.
The Virtual PHY and PMI parallel interfaces are accessible via the I
EEPROM Loader. Refer to
"EEPROM Loader," on page 113
Figure 9.3
Figure 9.6 MII Mux Management Path Connections - PHY Mode I
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
2
C or SPI managed, the Port 1/2 PHYs are accessed via the PMI, and the Virtual PHY
2
MDIO_ DIR
MDIO_ DIR
MDIO_ DIR
MDIO_ DIR
C/SPI Managed
MDO
MDO
MDO
MDO
Section 8.3, "SPI/I2C Slave Controller," on page 118
for additional information.
DATASHEET
133
Mode Selection
Management
MDO MDCLK
Parallel Slave
PMI
MDI
MDO_EnN
2
C/SPI Managed
2
C/SPI slave interfaces or the
MDIO_DIR
MDO
MDI
MDC_DIR
MDC_ OUT
MDC_IN
MII Pins
Revision 1.2 (04-08-08)
and
Section 8.2.4,
MDIO
MDC