82503

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-integration 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 aut...