Intel Gigabit Ethernet Controllers Benutzerhandbuch
Software Developer’s Manual
377
General Initialization and Reset Operation
Table 14-2. Signal Functions
14.5.2
GMII/MII Features not Supported
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]