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LAN8820I Datasheet(PDF) 6 Page - Microchip Technology |
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LAN8820I Datasheet(HTML) 6 Page - Microchip Technology |
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6 / 83 page  LAN8820/LAN8820I DS00001871B-page 6 2009-2015 Microchip Technology Inc. Note 2-1 Configuration strap values are latched on hardware reset. Configuration straps are identified by an underlined symbol name. Signals that function as configuration straps must be augmented with an external resistor when connected to a load. Refer to Section 3.8, "Configuration," on page 23 for additional information. TABLE 2-1: RGMII INTERFACE PINS Num Pins Name Symbols Buffer Type Description 1 Transmit Data 0 TXD0 IS (PD) The MAC transmits data to the PHY using this signal. 1 Transmit Data 1 TXD1 IS (PD) The MAC transmits data to the PHY using this signal. 1 Transmit Data 2 TXD2 IS (PD) The MAC transmits data to the PHY using this signal. 1 Transmit Data 3 TXD3 IS (PD) The MAC transmits data to the PHY using this signal. 1 Transmit Control TXCTRL IS (PD) Indicates both the transmit data enable (TXEN) and transmit error (TXER) functions per the RGMII specification. 1 Transmit Clock TXC IS (PD) Used to latch data from the MAC into the PHY. 1000BASE-T: 125MHz 100BASE-TX: 25MHz 10BASE-T: 2.5MHz 1 Receive Data 0 RXD0 O6 The PHY transfers data to the MAC using this signal. 1 Receive Data 1 RXD1 O6 The PHY transfers data to the MAC using this signal. 1 Receive Data 2 RXD2 O6 The PHY transfers data to the MAC using this signal. 1 Receive Data 3 RXD3 O6 The PHY transfers data to the MAC using this signal. 1 Receive Control RXCTRL O6 Indicates both the receive data valid (RXDV) and receive error (RXER) functions per the RGMII specification. 1 Receive Clock RXC O6 Used to transfer data to the MAC. 1000BASE-T: 125MHz 100BASE-TX: 25MHz 10BASE-T: 2.5MHz |
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Similar Description - LAN8820I |
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