82503 - Intel Corporation

82503 DUAL SERIAL TRANSCEIVER (DST)

3 11 Polarity Switching 3 12 Controller Interface PAGE 3 5 6 6 6 7 7 8 9 10 10 10 11 13 13 13 13 14 14 14 14 15 CONTENTS PAGE 16 16 16 16 16 17 17 17 17 19 20 4 0 RESET LOW POWER AND TEST MODES 4 1 Reset 4 2 Low Power and High Impedance Modes 4 3 Diagnostic Loopback 4 4 Customer Test Modes (Continuous AUI TPE Transmit) 5 0 APPLICATION EXAMPLE 5 1 Introduc.

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 .