AX88170L ASIX [ASIX Electronics Corporation], AX88170L Datasheet - Page 4
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AX88170L
Manufacturer Part Number
AX88170L
Description
USB to Fast Ethernet/HomePNA Controller
Manufacturer
ASIX [ASIX Electronics Corporation]
Datasheet
1.AX88170L.pdf
(39 pages)
- Current page: 4 of 39
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1.0 Introduction
1.1 General Description:
The AX88170 USB to Fast Ethernet Controller is a high performance and highly integrated USB bus Ethernet Controller with
embedded 5K*16 bit SRAM. The AX88170 contains a full speed USB interface to host CPU and compliant with USB
Communication Class Spec. 1.0. The AX88170 implements both 10Mbps and 100Mbps Ethernet function based on
IEEE802.3 / IEEE802.3u LAN standard. The AX88170 supports media-independent interface (MII) or RMII (Reduce MII)
interface to simplify the design on implementing Fast Ethernet and HomePNA functions. The chip also provides an optional
MII/RMII interface with PHY mode, combines with Ethernet repeater or switch IC can build a multiple ports USB-to-USB
bridge application.
AX88170 uses 64-pin LQFP low profile package, 48MHz operation for USB and 25MHz operation for Ethernet, CMOS
process with pure 3.3V operation and 5 Volt I/O tolerance.
1.2 AX88170 Block Diagram:
Fig – 1 AX88170 Block Diagram
EECS
EECK
EEDI
EEDO
AX88170
SEEPROM
Loader I/F
5K* 16
SRAM
USB Core and Interface
Memory Arbiter
Ethernet
USB to
Bridge
4
D-/D+
ASIX ELECTRONICS CORPORATION
MAC
STA
Core
PRELIMINARY
CONFIDENTIAL
SMDC
SMDIO
MII I/F
Or
RMII I/F
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