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LAN8710 Datasheet(PDF) 17 Page - SMSC Corporation |
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LAN8710 Datasheet(HTML) 17 Page - SMSC Corporation |
17 / 79 page MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology in a Small Footprint Datasheet SMSC LAN8710/LAN8710i 17 Revision 1.0 (04-15-09) DATASHEET 3.3 Management Signals 3.4 General Signals 3.5 10/100 Line Interface Signals LED2/ nINTSEL 2IOPU LED2 – Link Speed LED Indication. See Section 5.3.7 for a description of LED modes. nINTSEL: On power-up or external reset, the mode of the nINT/TXER/TXD4 pin is selected. When LED2/nINTSEL is floated or pulled to VDDIO, nINT is selected for operation on pin nINT/TXER/TXD4 (default). When LED2/nINTSEL is pulled low to VSS through a resistor, TXER/TXD4 is selected for operation on pin nINT/TXER/TXD4. See Section 4.10 for additional information. Table 3.4 Management Signals 32-QFN SIGNAL NAME 32-QFN PIN # TYPE DESCRIPTION MDIO 16 IOD8 Management Data Input/OUTPUT: Serial management data input/output. MDC 17 I8 Management Clock: Serial management clock. Table 3.5 General Signals 32-QFN SIGNAL NAME 32-QFN PIN # TYPE DESCRIPTION XTAL1/ CLKIN 5ICLK Clock Input: Crystal connection or external clock input. XTAL2 4 OCLK Clock Output: Crystal connection. Float this pin when an external clock is driven to XTAL1/CLKIN. nRST 19 IOPU External Reset: Input of the system reset. This signal is active LOW. Table 3.6 10/100 Line Interface Signals 32-QFN SIGNAL NAME 32-QFN PIN # TYPE DESCRIPTION TXP 29 AIO Transmit/Receive Positive Channel 1. Table 3.3 LED Signals 32-QFN (continued) SIGNAL NAME 32-QFN PIN # TYPE DESCRIPTION |
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