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LAN8710AI Datasheet(PDF) 10 Page - Microchip Technology |
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LAN8710AI Datasheet(HTML) 10 Page - Microchip Technology |
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10 / 82 page  Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR® Technology Datasheet Revision 1.4 (08-23-12) 10 SMSC LAN8710A/LAN8710Ai DATASHEET Table 2.1 MII/RMII Signals NUM PINS NAME SYMBOL BUFFER TYPE DESCRIPTION 1 Transmit Data 0 TXD0 VIS The MAC transmits data to the transceiver using this signal in all modes. 1 Transmit Data 1 TXD1 VIS The MAC transmits data to the transceiver using this signal in all modes. 1 Transmit Data 2 (MII Mode) TXD2 VIS The MAC transmits data to the transceiver using this signal in MII Mode. Note: This signal must be grounded in RMII Mode. 1 Transmit Data 3 (MII Mode) TXD3 VIS The MAC transmits data to the transceiver using this signal in MII Mode. Note: This signal must be grounded in RMII Mode. 1 Interrupt Output nINT VO8 Active low interrupt output. Place an external resistor pull-up to VDDIO. Note: Refer to Section 3.6, "Interrupt Management," on page 34 for additional details on device interrupts. Note: Refer to Section 3.8.1.2, "nINTSEL and LED2 Polarity Selection," on page 39 for details on how the nINTSEL configuration strap is used to determine the function of this pin. Transmit Error (MII Mode) TXER VIS (PU) When driven high, the 4B/5B encode process substitutes the Transmit Error code-group (/H/) for the encoded data word. This input is ignored in the 10BASE-T mode of operation. Transmit Data 4 (MII Mode) TXD4 VIS (PU) In Symbol Interface (5B Decoding) mode, this signal becomes the MII Transmit Data 4 line (the MSB of the 5-bit symbol code-group). Note: This signal is not used in RMII Mode. 1 Transmit Enable TXEN VIS (PD) Indicates that valid transmission data is present on TXD[3:0]. In RMII Mode, only TXD[1:0] provide valid data. 1 Transmit Clock (MII Mode) TXCLK VO8 Used to latch data from the MAC into the transceiver. MII (100BASE-TX): 25MHz MII (10BASE-T): 2.5MHz Note: This signal is not used in RMII Mode. |
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