Intel 82540EP/EM Network Card User Manual


 
Software Developer’s Manual 381
General Initialization and Reset Operation
Table 14-2. Signal Functions
14.5.2 GMII/MII Features not Supported
Table 14-3 lists the signals and functions not provided by this interface.
Signal Function Pin
GMII (1000 Mbps) Operations
CRS Carrier Sense CRS
COL Collision Detect COL
TX_ER Transmit Code Error TX_DATA[9]/TX_ER
TX_EN Transmit Enable TX_DATA[8]/TX_EN
GTX_CLK Transmit Data Clock (125 MHz) GTX_CLK
TX_DATA Transmit Data TX_DATA[7:0]
RX_CLK Receive Data Clock (125 MHz) RBC0/RX_CLK
RX_DATA Receive Data RX_DATA[7:0]
RX_ER Receive Error RX_DATA[9]/RX_ER
RX_DV Receive Data Valid RX_DATA[8]/RX_DV
LINK PHY Link Indication LOS/LINK
MII (10/100 Mbps) Differences
MTX_CLK Transmit Data Clock (25/2.5 MHz) RBC1/MTX_CLK
TX_DATA Transmit Data TX_DATA[3:0]
RX_CLK Receive Data Clock (25/2.5 MHz) RBC0/RX_CLK
RX_DATA Receive Data RX_DATA[3:0]