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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC32MX795F512LT-80I/PF датащи(PDF) 158 Page - Microchip Technology |
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PIC32MX795F512LT-80I/PF датащи(HTML) 158 Page - Microchip Technology |
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158 / 256 page  PIC32MX5XX/6XX/7XX DS61156G-page 158 © 2009-2011 Microchip Technology Inc. Table 24-1, Table 24-2, Table 24-3 and Table 24-4 show four interfaces and the associated pins that can be used with the Ethernet Controller. TABLE 24-1: MII MODE DEFAULT INTERFACE SIGNALS (FMIIEN = 1, FETHIO = 1) Pin Name Description EMDC Management Clock EMDIO Management I/O ETXCLK Transmit Clock ETXEN Transmit Enable ETXD0 Transmit Data ETXD1 Transmit Data ETXD2 Transmit Data ETXD3 Transmit Data ETXERR Transmit Error ERXCLK Receive Clock ERXDV Receive Data Valid ERXD0 Receive Data ERXD1 Receive Data ERXD2 Receive Data ERXD3 Receive Data ERXERR Receive Error ECRS Carrier Sense ECOL Collision Indication TABLE 24-2: RMII MODE DEFAULT INTERFACE SIGNALS (FMIIEN = 0, FETHIO = 1) Pin Name Description EMDC Management Clock EMDIO Management I/O ETXEN Transmit Enable ETXD0 Transmit Data ETXD1 Transmit Data EREFCLK Reference Clock ECRSDV Carrier Sense – Receive Data Valid ERXD0 Receive Data ERXD1 Receive Data ERXERR Receive Error Note: Ethernet controller pins that are not used by selected interface can be used by other peripherals. TABLE 24-3: MII MODE ALTERNATE INTERFACE SIGNALS (FMIIEN = 1, FETHIO = 0)(1) Pin Name Description AEMDC Management Clock AEMDIO Management I/O AETXCLK Transmit Clock AETXEN Transmit Enable AETXD0 Transmit Data AETXD1 Transmit Data AETXD2 Transmit Data AETXD3 Transmit Data AETXERR Transmit Error AERXCLK Receive Clock AERXDV Receive Data Valid AERXD0 Receive Data AERXD1 Receive Data AERXD2 Receive Data AERXD3 Receive Data AERXERR Receive Error AECRS Carrier Sense AECOL Collision Indication Note 1: MII Alternate Interface is not available on 64-pin devices. TABLE 24-4: RMII MODE ALTERNATE INTERFACE SIGNALS (FMIIEN = 0, FETHIO = 0) Pin Name Description AEMDC Management Clock AEMDIO Management I/O AETXEN Transmit Enable AETXD0 Transmit Data AETXD1 Transmit Data AEREFCLK Reference Clock AECRSDV Carrier Sense – Receive Data Valid AERXD0 Receive Data AERXD1 Receive Data AERXERR Receive Error |
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