Table 784. Mii Mode - STMicroelectronics SPC572L series Reference Manual

RM0400
In RMII mode (RCR[MII_MODE] = 1 and RCR[RMII_MODE] = 1), the EMAC supports 8
external signals. These signals are shown in
The 7-wire serial mode interface (RCR[MII_MODE] = 1 and RCR[RMII_MODE] = 0 or 1) is
generally referred to as AMD mode.
external transceiver.
Signal description
Transmit Clock
Transmit Enable
Transmit Data
Signal description
Transmit Clock
Transmit Enable
Transmit Data
Transmit Error
Collision
Carrier Sense
Receive Clock
Receive Data Valid
Receive Data
Receive Error
Management Data Clock
Management Data Input/Output
Table 785. RMII mode configuration
Signal description
Reference Clock
Transmit Enable
Transmit Data
Receive Data Valid
Receive Data
Receive Error
Table 786. 7-Wire mode configuration
Collision

Table 784. MII mode

Table 785
Table 786 shows the 7-wire mode connections to the
DocID027809 Rev 4
Fast Ethernet Controller (FEC)
EMAC pin
FEC_TXCLK
FEC_TXEN
FEC_TXD[3:0]
FEC_TXER
FEC_COL
FEC_CRS
FEC_RXCLK
FEC_RXDV
FEC_RXD[3:0]
FEC_RXER
FEC_MDC
FEC_MDIO
below.
EMAC pin
FEC_TXCLK
FEC_TXEN
FEC_TXD[1:0]
FEC_RXDV
FEC_RXD[1:0]
FEC_RXER
EMAC pin
FEC_TXCLK
FEC_TXEN
FEC_TXD[0]
FEC_COL
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