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LAN8742A-CZ Datasheet(PDF) 7 Page - Microchip Technology |
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LAN8742A-CZ Datasheet(HTML) 7 Page - Microchip Technology |
7 / 124 page 2013-2015 Microchip Technology Inc. DS00001989A-page 7 LAN8742A/LAN8742Ai TABLE 2-1: 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. 1 Transmit Data 1 TXD1 VIS The MAC transmits data to the transceiver using this signal. 1 Transmit Enable TXEN VIS (PD) Indicates that valid transmission data is present on TXD[1:0]. 1 Receive Data 0 RXD0 VO8 Bit 0 of the 2 data bits that are sent by the trans- ceiver on the receive path. PHY Operat- ing Mode 0 Configuration Strap MODE0 VIS (PU) Combined with MODE1 and MODE2, this configu- ration strap sets the default PHY mode. See Note 1 for more information on configuration straps. Note: Refer to Section 3.7.2, "MODE[2:0]: Mode Configuration" for additional details. 1 Receive Data 1 RXD1 VO8 Bit 1 of the 2 data bits that are sent by the trans- ceiver on the receive path. PHY Operat- ing Mode 1 Configuration Strap MODE1 VIS (PU) Combined with MODE0 and MODE2, this configu- ration strap sets the default PHY mode. See Note 1 for more information on configuration straps. Note: Refer to Section 3.7.2, "MODE[2:0]: Mode Configuration" for additional details. 1 Receive Error RXER VO8 This signal is asserted to indicate that an error was detected somewhere in the frame presently being transferred from the transceiver. PHY Address 0 Configuration Strap PHYAD0 VIS (PD) This configuration strap sets the transceiver’s SMI address. See Note 1 for more information on configuration straps. Note: Refer to Section 3.7.1, "PHYAD[0]: PHY Address Configuration" for additional information. |
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