IP175ALF-DS-R02 datasheet(8/60 Pages) ETC2

8 / 60 page

IP175A LF

Preliminary Data Sheet

8/60

February 20, 2006

IP175A LF-DS-R08

Pin Descriptions

Type

Description

Input pin

Output pin

IPL

Input pin with internal pull low

IPH

Input pin with internal pull high

Type

Description

IPL1

Input pin with internal pull low 22.8k ohm

IPH1

Input pin with internal pull high 22.8k ohm

IPL2

Input pin with internal pull low 92.6k ohm

IPH2

Input pin with internal pull high 113.8k ohm

Pin no.

Label

Type

Description

LED pins used as initial setting mode during reset

102

BF_STM_EN

IPL1

Broadcast storm protection enable

1: enable,

0: disable (default)

101

BK_EN

IPH1

Backpressure enable

1: enable (default),

0: disable

This pin doesn’t set the flow control of MII0 port. MAC_X_EN

sets the flow control of MII0 port.

100

X_EN

IPH1

IEEE802.3X enable

1: enable (default),

0: disable

This pin doesn’t set the flow control of MII0 port. MAC_X_EN

sets the flow control of MII0 port.

UPDATE_R4_EN

IPL1

Change capability enable

A full duplex port will change its capability to half duplex, if the

remote full duplex port does not support IEEE802.3x then this

function is enabled. It should be pulled low for normal operation.

1: enable,

0: disable (default)

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