beautypg.com

Table 10. mdio interface signal descriptions, Mdio interface signal descriptions – Intel IXF1104 User Manual

Page 54

background image

Intel

®

IXF1104 4-Port Gigabit Ethernet Media Access Controller

Datasheet

54

Document Number: 278757
Revision Number: 009
Revision Date: 27-Oct-2005

TX_FAULT_INT

P23

Open
Drain

Output*

2.5 V

CMOS

Transmitter Fault Interrupt.
TX_FAULT_INT is an open drain interrupt output
that signals a TX_FAULT condition.

NOTE: An external pull-up resistor is

required for proper operation.

NOTE: *Dual-mode I/O

Normal operation: Open drain output
Boundary Scan Mode: Standard CMOS
output

MOD_DEF_INT

N22

Open
Drain

Output*

2.5 V

CMOS

Module Definition Interrupt.
MOD_DEF_INT is an open drain interrupt output
that signals a MOD_DEF condition.

NOTE: An external pull-up resistor is

required for proper operation.

NOTE: *Dual-mode I/O

Normal operation: Open drain output
Boundary Scan Mode: Standard CMOS
output

I

2

C_CLK

L23

Output

2.5 V

CMOS

I

2

C_CLK is the clock used for the I

2

C bus

interface.

I

2

C DATA_0

I

2

C DATA_1

I

2

C DATA_2

I

2

C DATA_3

L24

M24

N24
P24

Input/
Open

Drain

Output*

2.5 V

CMOS

I

2

C Data Bus.

I

2

C DATA_0:3 are the data I/Os for the I

2

C bus

interface.

NOTE: An external pull-up resistor is

required for proper operation.

NOTE: *Dual-mode I/O

Normal operation: Input/ open drain
output
Boundary Scan Mode: Standard CMOS
output

Table 10. MDIO Interface Signal Descriptions

Signal Name

Ball

Designator

Type

Standard

Description

MDIO

V21

Input/

Output

2.5 V

CMOS

MDIO is the management data input and output.

NOTE: An external pull-up resistor is required for

proper operation.

MDC

W24

Output

2.5 V

CMOS

MDC is the management clock to external devices.

Table 9. Optical Module Interface Signal Descriptions (Sheet 2 of 2)

Signal Name

Ball

Designator

Type

Standard

Description