A2SI-E Datasheet | Zentrum Mikroelektronik Dresden

Features - - - - - - - - - - AS-i plete Specification V2.11 pliant Integrated EEPROM Additional addressing channel using an optoelectronic interface Extended address mode operation as programmable option (up to 62 slaves) High impedance AS-i line input, additional pins for further impedance optimizations DC voltage output, approximately 24 volts, not stabilized 5 volt DC voltage output, stabilized, CMOS logic can be supplied directly (e.g. µC) LED status indicator output (pliant with the standard indication remendation) Integrated watchdog Temperature range -25°C to + 105°C Description A²SI-E is a monolithic CMOS integrated circuit certified for AS-i (Actuator Sensor-interface) networks. AS-i networks are intended for industrial automation. The main advantage of AS-i solutions is that actuators and sensors are connected using a twowire unshielded cable that is easy to install. This cable transports both power and information/data. AS-i network munication is based on the master-slave principle. The network can be extended (to cable lengths greater than 100m) by using the A²SI-E in the repeater mode configuration. Furthermore, the A²SI-E is used as slave interface to sensors / actuators and as master interface. AS-i is a standard for the automation industry based on IEC 62026-2 and EN 50295. The device is available in a 28-pin SOP (300 mils) package. Block Diagram 2.2 µF 24V 10 µF UIN UOUT U5R U5RD OSC1/2 5V 8 MHz CAP CCAP POWERFAIL DETECTION ELECTRONIC INDUCTOR POWER SUPPLY OSCILLATOR RCAP 4 RECEIVE 4 DOx DIx DSR PST TRANSMIT 4 Px ASI+ ASIP DIGITAL LOGIC ASI- ASIN THERMAL PROTECTION GND2 GND1 IRD AMP 0V Copyright © 2002, ZMD AG Data Sheet, Rev. 1.2, October 21, 2002 Printed in Germany, All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner. The Information furnished in this publication is preliminary...