AX88850 ASIX [ASIX Electronics Corporation], AX88850 Datasheet - Page 5

• Manufacturer Part Number: AX88850
• Description: 100BASE-TX/FX Repeater Controller
• Manufacturer: ASIX [ASIX Electronics Corporation]

1.0 AX88850 Overview
1.1 General Description
dumb HUB and high performance intelligent HUB applications. The AX88850 series
product support up-to ten 100Mbps links with its 8 PCS (Physical coding sub-layer , also
called Symbol Interface) interfaces and 2 dedicated MII interfaces or supports up-to eighteen
100Mbps links with 2 shared 8 ports MII interfaces and 2 dedicated MII interfaces.
Maximum up-to 144 ports can be constructed when using expansion bus cascades 8
AX88850s. The AX88850 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.
repeater-specific components and functions, exclusive of PHY components and functions.
The AX88850 family has two kind of interfaces to connect to PHY devices. There are
Physical coding sub-layer (PCS) interface and Media Independent Interface (MII).
interfaces, 2 dedicated MII ports interface, an expansion port interface, a management
information base IC interface, a repeater ID daisy chain interface, a serial register interface
and LED display interface.
AX88850
The AX88850 series 100Mbps Repeater Controllers are designed for both low cost
The AX88850 Repeater Controller is a subset of a repeater set containing all the
The AX88850 supports 8 PCS ports interface or 2 shared bus (8 ports/per bus) MII
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ASIX ELECTRONICS CORPORATION
PRELIMINARY