Datasheet

PIC32MX5XX/6XX/7XX
DS61156G-page 158 © 2009-2011 Microchip Technology Inc.
Table 24-1, Table 24-2, Table 24-3 and Ta bl e 2 4- 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