AX88875AP Bripeater

ASIX ELECTRONICS CORPORATION

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1.0 AX88875A Overview

The AX88875A 10/100Mbps Dual Speed “Bripeater” Controller is “a dual speed

repeater with build in bridge function” It is design for low cost dumb HUB application. The

AX88875A directly supports up-to five 10/100Mbps automatic links MII interfaces specially for

SOHO market. The AX88875A is designed base on IEEE 802.3u clause 27 “ Repeater for

100Mb/s base-band networks” It is fully compatible with IEEE 802.3u standard.

1.1 General Description

The AX88875A Repeater Controller is a subset of a repeater set containing all the

repeater-specific components and functions, exclusive of PHY components and functions. The

AX88875A has five Media Independent Interfaces (MII) to connect to PHY or MAC devices.

The AX88875A supports 5 MII interfaces ports, a bridge packet buffer SRAM interface

and LED display interface. AX88875A without support expansion port to cascade to other

AX88850 and AX88860 pure 100Mbps repeater chips..

The AX88875A supports stand along 10/100Mbps dual speed repeater applications with

two LED display mode.

The AX88871A has two LED display mode.

Mode 0

Direct LED display mode.

Mode 1

Rich LED display mode.