A2SI-L Datasheet PDF - Zentrum Mikroelektronik Dresden

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A2SI-L
Zentrum Mikroelektronik Dresden

Part Number A2SI-L
Description Low End Device AS-Interface IC
Page 2 Pages


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A²SI-Lite 14 / A²SI-Lite 16
Low End Device AS-Interface IC
Features
AS-i Complete Specification V2.11 compliant
Integrated EEPROM
Extended address mode operation as
programmable option (up to 62 slaves)
Dedicated IO-port structure: two data inputs,
two data outputs, no parameter port pins
Optional PWM outputs
Integrated watchdog
Temperature range -25°C to + 85°C
Block Diagram
Description
A²SI-Lite (A²SI-L) is a monolithic CMOS integrated
circuit certified for AS-i (Actuator Sensor-interface)
networks. AS-i networks are intended for industrial
automation. This integrated circuit is dedicated to
be used as simplified interface IC for key control
panels, simple sensors and small actuators.
The main advantage of AS-i solutions is that
actuators and sensors are connected using a two-
wire unshielded cable that is easy to install. This
cable transports both power and information/data.
AS-i network communication is based on the
master-slave principle. The network can be
extended (to cable lengths greater than 100m) by
using the A²SI or A²SI-E in the repeater mode
configuration.
AS-i is a standard for the automation industry based
on IEC 62026-2 and EN 50295.
The device is available in a 14 and 16-pin SOP (150
mils) package.
18 mH
ASI +
ASI -
10uF
100nF
CAP
1uF 100nF
ASIP
ASIN
0V
16MHz
VIN
OSC1
OSC2
Power on
5V Power Reset
Supply
Oscillator AAS²IS-SI-WL
Slave electronics
supply voltage
Receiver
Trans-
mitter
Thermal
Protection
EEPROM
DIGITAL
LOGIC
UART
State Machine
Ports
Pulse
Width
Modulation
Output
Stages
Input
Stages
DO0 Two outputs, e.g.
interconnced to push
DO1 button LEDs
DI2 Two inputs, e.g.
interconnced to push
DI3 button contacts
GND
TEST1 TEST2
Copyright © 2005 ZMD AG Rev. 2.0
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 and subject to changes without notice.



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A²SI-Lite 14 / A²SI-Lite 16
Low End Device AS-Interface IC
Application
The AS-interface integrated circuit A²SI-L is dedicated for pushbutton and pilot light applications. In contrast to
the integrated circuit A²SI-L16 (16-pin SOP package) the A²SI-L14 does not provide diagnostic pins.
10uF 100nF
ASI+
18mH
CAP
1uF 100nF
ASIP
ASI-
ASIN
0V
16MHz
VIN
OSC1
OSC2
A²SI-L
ASI-SW
Slaveelectronics
supplyvoltage
Switch
Voltage
Regual tor
GND
24V
LED-
Lamp
DO0
DO1
DI2
Application
DI3
GND
TEST1
TEST2
AS-i network
cable access
Ordering Information
Ordering Code Description
A2SI-L14-ST 14 pin version
A2SI-L14-SR 14 pin version
A2SI-L16-ST
A2SI-L16-SR
16 pin version
with FID / LED pin
16 pin version
with FID / LED pin
Typical A²SI-Lite Pushbutton Application
Operating
Temperature
Range
-25°C to 85°C
-25°C to 85°C
-25°C to 85°C
-25°C to 85°C
Package Type Shipping Form
SOP14 (150 mil)
SOP14 (150 mil)
SOP16 (150 mil)
SOP16 (150 mil)
Tubes
(55 parts/tube)
Tape-and-Reel
(2500 parts/reel)
Tubes
(55 parts/tube)
Tape-and-Reel
(2500 parts/reel)
For further
information:
ZMD AG
ZMD America Inc.
Grenzstrasse 28
01109 Dresden, Germany
Tel.: +49 (0)351.8822.366
Fax: +49 (0)351.8822.337
sales@zmd.de
201 Old Country Road, Suite 204
Melville, NY 11747
Tel.: (631) 549-2666
Fax: (631) 549-2882
sensors@zmda.com
WBC GmbH
Im Technologiepark 2-8
D-85586 Poing
Phone: +49 8121 775 155
Fax: +49 8121 775 592
juergen.dudda@wbc-europe.com
Copyright © 2005 ZMD AG Rev. 2.0
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 and subject to changes without notice.



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