IP175G datasheet(12/69 Pages) ETC2

12 / 69 page

IP175G/GI/GH/GHI

Data Sheet

12 / 69

November 27, 2012

IP175Gx-DS-R01.3

3.6 Miscellaneous setting pins

Pin No.

Label

Type

Description

Misc.

F_POWER_OFF

IPH/I

Force Power Off function for power saving setting pin

It should be connected to PVDD for normal operation; pull low

3 seconds to enable Force Power Off function.

VLAN_DIS

IPH/O

Home VLAN setting enable setting pin.

Port 0~Port 3 are all individual VLAN and only send to port 4.

1: disable (default)

0: enable

It is an input signal during reset and its value is latched at the

end of reset. This pin acts as a F_POWER_OFF_LED after

reset

REVD_GMAC_FILTER

IPH/O

Reserved group address filtering

It configures how to process the reserved group address,

detail see 4.2.

BF_STM_DIS

IPH/O

Broadcast storm protection enable

This function defined in MII register 20.1.[6]

1: disable (default)

0: enable

A port begins to drop incoming packets if it receives

broadcast packets more than the threshold defined in MII

It is an input signal during reset and its value is latched at the

end of reset. This pin acts as a link LED of port 1 after reset

COS_EN

IPH/O

Class of service enable

Packets with high priority tag are handled as high priority

packets if the function is enabled.

1: disabled (default)

0: enable,

It is an input signal during reset and its value is latched at the

end of reset. It acts as a link LED of port 0 after reset.

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