User manual

Board Description
AT91SAM9M10-G45-EK User Guide 4-13
6495B–ATARM–21-Apr-10
Table 4-2. Pin Mapping for Normal MII and Reduced MII
Pin Name Normal MII Mode Reduced MII Mode
SAM9M10 DM9161 SAM9M10 DM9161
ETX0-ETX1 ETX[0:1] transmit data TXD [0:1] ETX[0:1] TXD [0:1]
ETX2-ETX3 ETX[2:3] transmit data TXD [2:3] NC NC
ETXEN ETXEN: transmit enable TXEN ETXEN: transmit enable TXEN
ETXER ETXER: transmit error TXER/TXD[4] NC NC
ETXCK/REFCK ETXCK: transmit clock TXCLK REFCK: reference clock REF_CLK
ERX0-ERX1 ERX[0:1]: receive data RXD [0:1] ERX[0:1]: receive data RXD [0:1]
ERX2-ERX3 ERX[2:3]: receive data RXD [2:3] NC NC
ERXER ERXER: receive error
RXER/RXD[4]/
RPTR/NODE
ERXER: receive error RPTR/NODE
ERXDV ERXDV: receive valid data RXDV
ECRSDV: carrier sense /
data valid
CRS DV
ERXCK ERXCK: receive clock RXCLK NC NC
ECOL ECOL: collision detect COL NC NC
ECRS
ECRS: carrier sense /
data valid
CRS (PHYAD[2:4] NC NC
EMDC EMDC: management data clock MDC
EMDC: management data
clock
MDC
EMDIO
EMDIO: management data
input / output
MDIO
EMDIO: management data
input / output
MDIO
NRST NRST: microcontroller reset
RESET# XT1
(25 MHz)
NRST: microcontroller reset
RESET# XT1
(REF_CLK 50MHz)