General Initialization and Reset Operation

Table 14-2. Signal Functions

 

 

 

 

 

 

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]

 

 

 

 

 

14.5.2GMII/MII Features not Supported

Table 14-3lists the signals and functions not provided by this interface.

Software Developer’s Manual

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Intel PCI-X manual GMII/MII Features not Supported, Signal Functions, Signal Function Pin Gmii 1000 Mbps Operations