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Intel IXF1104 User Manual

Page 49

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Intel

®

IXF1104 4-Port Gigabit Ethernet Media Access Controller

49

Datasheet

Document Number: 278757

Revision Number: 009

Revision Date: 27-Oct-2005

RXD7_0
RXD6_0
RXD5_0
RXD4_0
RXD3_0
RXD2_0
RXD1_0
RXD0_0

RXD7_1
RXD6_1
RXD5_1
RXD4_1
RXD3_1
RXD2_1
RXD1_1
RXD0_1

RXD7_2
RXD6_2
RXD5_2
RXD4_2
RXD3_2
RXD2_2
RXD1_2
RXD0_2

RXD7_3
RXD6_3
RXD5_3
RXD4_3
RXD3_3
RXD2_3
RXD1_3
RXD0_3

AC5
AB5

Y5
Y6
Y7

W7

V7
V8

Y10

AA11
AC11

AD10

W9

W11

Y11

Y9

W20

V19
V20

W22

Y23
Y22
Y21
Y20

T19
T18
T17
T16

W18

Y19
Y18
Y17

Input

2.5 V

CMOS

Receive Data:

Each bus carries eight data bits [7:0] of
the received data stream.

RGMII Mode: When a port ID is
configured in copper mode and the
RGMII interface is selected, only bits
RXD[3:0]_n are used to receive data.

Fiber Mode: The following signals
have multiplexed functions when a port
is configured in fiber mode:

RXD4_n: MOD_DEF_0:3

RXD5_n: TX_FAULT_0:3

RXD6_n: RX_LOS_0:3

RX_DV_0
RX_DV_1
RX_DV_2
RX_DV_3

V5

AB11

Y24
V18

Input

2.5 V

CMOS

Receive Data Valid.

RX_DV indicates that valid data is
being driven on Receive Data:
RXD[7:0]_n.

RX_ER_0
RX_ER_1
RX_ER_2
RX_ER_3

W5

Y12

AA22

U20

Input

2.5 V

CMOS

Receive Error.

RX_ER indicates an error in Receive
Data: RXD[7:0]_n.

CRS_0
CRS_1
CRS_2
CRS_3

AA5
AA9

AB15
AC16

Input

2.5 V

CMOS

Carrier Sense.

CRS indicates the PHY device has
detected a carrier.

RXC_0
RXC_1
RXC_2
RXC_3

V4

AD11
AA24

V23

Input

2.5 V

CMOS

Receiver Reference Clock.

RXC operates at:

125 MHz for 1 Gigabit

NOTE: Shares the same balls as RXC

on the RGMII interface.

Table 5. GMII Interface Signal Descriptions (Sheet 2 of 2)

Signal Name

Ball Designator

Type

Standard

Description

NOTE: Refer to the RGMII interface for shared data and clock signals.