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LAN9313 Datasheet(PDF) 130 Page - SMSC Corporation |
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LAN9313 Datasheet(HTML) 130 Page - SMSC Corporation |
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130 / 398 page ![]() Three Port 10/100 Managed Ethernet Switch with MII Datasheet Revision 1.2 (04-08-08) 130 SMSC LAN9313/LAN9313i DATASHEET 9.4.3 MAC Mode I2C/SPI Managed In MAC mode I2C or SPI managed, the internal PHYs and the external PHY are accessed via the PMI. The SMI slave and the Virtual PHY are not used in these modes. The Virtual PHY and PMI interfaces are accessible via the I2C/SPI slave interfaces or the EEPROM Loader. Refer to Section 8.3, "SPI/I2C Slave Controller," on page 118 and Section 8.2.4, "EEPROM Loader," on page 113 for additional information. Figure 9.3 details the MII multiplexer management path connections for this mode. Figure 9.3 MII Mux Management Path Connections - MAC Mode I2C/SPI Managed 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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