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N82503 Datasheet

  • N82503

  • DUAL SERIAL TRANSCEIVER (DST)

  • 45頁

  • INTEL   INTEL

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82503
DUAL SERIAL TRANSCEIVER (DST)
82503 PRODUCT FEATURE SET OVERVIEW
Y
Single Component Ethernet Interface
to Both 802 3 10BASE-T and AUI
Automatic or Manual Port Selection
Manchester Encoder Decoder and
Clock Recovery
No Glue Interface to Industry-Standard
LAN Controllers
Intel 82586 82590 82593 and 82596
AMD 7990 (LANCE )
National Semiconductor 8390 and
83932 (SONIC )
Western Digital 83C690
Fujitsu 86950 (Etherstar )
Y
Y
Y
Y
Y
Diagnostic Loopback
Reset Low Power Modes
Network Status Indicators
Defeatable Jabber Timer
User Test Modes
10 MHz Transmit Clock Generator
One Micron CHMOS
Technology
Single 5-V Supply
IV (Px48)
Y
Y
Y
Y
Y
Y
INTERFACE FEATURES
TPE
Y
AUI
Y
Y
Y
Complies with 10BASE-T IEEE Std
802 3i-1990 for Twisted Pair Ethernet
Selectable Polarity Switching
Direct Interface to TPE Analog Filters
On-Chip TPE Squelch
Defeatable Link Integrity (LI)
Support of Cable Lengths
l
100m
Complies with IEEE 802 3 AUI Standard
Direct Interface to AUI Transformers
On-Chip AUI Squelch
Y
Y
Y
Y
Y
A block diagram of a typical application is shown in Figure 1 The 82503 Dual Serial Transceiver is a high-inte-
gration CMOS device designed to simplify interfacing industry standard Ethernet LAN Controllers to IEEE
802 3 local area network applications (10BASE5 10BASE2 and 10BASE-T) The component supports both
an attachment unit interface (AUI) and a Twisted Pair Ethernet interface (TPE) It allows OEMs to design a
state-of-the-art media interface that is jumperless and fully automatic The 82503 includes on-chip AUI and
TPE drivers and receivers it offers designers a cost-effective integrated solution for interfacing LAN control-
lers to the wire medium
CHMOS is a patented process of Intel Corporation
Ethernet is a registered trademark of Xerox Corporation
LANCE is a registered trademark of Advanced Micro Devices
Etherstar is a registered trademark of Fujitsu Electronics
Sonic is a registered trademark of National Semiconductor Corporation
Other brands and names are the property of their respective owners
Information in this document is provided in connection with Intel products Intel assumes no liability whatsoever including infringement of any patent or
copyright for sale and use of Intel products except as provided in Intel鈥檚 Terms and Conditions of Sale for such products Intel retains the right to make
changes to these specifications at any time without notice Microcomputer Products may have minor variations to this specification known as errata
COPYRIGHT
INTEL CORPORATION 1996
October 1995
Order Number 290421-004

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