Operation Manual

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ams AG
The technical content of this austriamicrosystems application note is still valid.
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AS1110 - Evaluation Board
Application Note
AS1110
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Evaluation Board Application Note
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Revision 1.00
1-5
AS1110 - Evaluation Board
Application Note
General Description
Label
Name
A
B
VDD
GND
C
VLED
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Connector Description
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Figure 2: Board Description
Figure 1: Board Description
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Board Description
Description
Info
Power Supply Connectors for VDD
and Ground.
+3.0V to +5.5V
Supply Voltage for the LED’s
The output current drivers of the AS1110 can handle up to
+15V.
Connector Description
Name
D
E
F
G
H
I
J
K
OEN
LD
CLK
SDI
VDD
NC
GND
SDO
Description
Info
Output Enable
Serial Data Load
Serial Data Clock
Serial Data Input
Positive Supply Voltage
Not connected
Ground
Serial Data Output
0: Output drivers enabled; 1: Output drivers disabled
Data transferred at the rising edge.
ca
Label
Components Connectors Description
Name
L
Rext
ON0-7
ch
M
N
Description
Info
External Resistor
Place resistor here to set the load current.
Connector for LED’s. Upper side interfaces with the output
drivers of the AS1110 while the lower side connects to
VLED.
Jumper to (dis)connect the onboard capacity.
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Label
CLED
Output Current Drivers
Decoupling Capacity of LEDs
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Measurement Points Description
Label
Name
Description
Info
O
P
Q
R
S
T
OEN
LD
CLK
SDI
SDO
GND
Output Enable
Serial Data Load
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
0: Output drivers enabled; 1: Output drivers disabled
Data transferred at the rising edge.
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Revision 1.00
2-5
AS1110 - Evaluation Board
Application Note
Operational sequence
If not present get the datasheet for the AS1110 from www.austriamicrosystems.com. Use the IC on the evaluation board only
with the recommended settings and values as described in the datasheet.
2.
Place an external resistor in Rext “L” to set the LED current. If another capacitance then 330µF 35V is needed it is possible to
disconnect the onboard capacity through the Jumper CLED “N”. Connect the LEDs with the output current drivers “M”.
3.
Connect a +3.0V to +5.5V power supply (VDD “A” and GND “B” or VDD “H” and GND “J”).
4.
Connect a voltage supply to VLED “C”. The output drivers sustain a maximum voltage of +15V at the pin.
5.
Connect the Serial Data Interface. For the data format of the serial interface please see the datasheet for the AS1110.
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Have fun using the evaluation board. If there are questions do not hesitate to contact us. See contact information at the end of the
application note.
Layout of demoboard
Board schematics and layout
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Figure 3: Schematics
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Revision 1.00
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AS1110 - Evaluation Board
Application Note
Figure 5: Bottom view
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Figure 4: Top view
Info
10µF, ±10%, 16V, X7R
0.1µF , ±10%, 50V, X7R
330u, 35V, Electrolytic
Condensator
Type
GRM31CR71C106KAC7
GRM21BR71H104KA01
Manufacturer
Murata
Murata
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C1
C2, C4
C3
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Recommended parts
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Revision 1.00
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AS1110 - Evaluation Board
Application Note
Copyright
Copyright © 1997-2007, austriamicrosystems AG, Schloss Premstaetten, 8141 Unterpremstaetten, AustriaEurope. Trademarks Registered ®. All rights reserved. The material herein may not be reproduced, adapted,
merged, translated, stored, or used without the prior written consent of the copyright owner.
All products and companies mentioned are trademarks or registered trademarks of their respective companies.
Disclaimer
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Devices sold by austriamicrosystems AG are covered by the warranty and patent indemnification provisions
appearing in its Term of Sale. austriamicrosystems AG makes no warranty, express, statutory, implied, or by
description regarding the information set forth herein or regarding the freedom of the described devices from
patent infringement. Austriamicrosystems AG reserves the right to change specifications and prices at any time
and without notice. Therefore, prior to designing this product into a system, it is necessary to check with
austriamicrosystems AG for current information.
This product is intended for use in normal commercial applications. Applications requiring extended temperature
range, unusual environmental requirements, or high reliability applications, such as military, medical life-support
or lifesustaining equipment are specifically not recommended without additional processing by
austriamicrosystems AG for each application. For shipments of less than 100 parts the manufacturing flow might
show deviations from the standard production flow, such as test flow or test location.
The information furnished here by austriamicrosystems AG is believed to be correct and accurate. However,
austriamicrosystems AG shall not be liable to recipient or any third party for any damages, including but not
limited to personal injury, property damage, loss of profits, loss of use, interruption of business or indirect,
special, incidental or consequential damages, of any kind, in connection with or arising out of the furnishing,
performance or use of the technical data herein. No obligation or liability to recipient or any third party shall arise
or flow out of austriamicrosystems AG rendering of technical or other services.
Contact Information
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Headquarters
austriamicrosystems AG
A-8141 Schloss Premstätten, Austria
T. +43 (0) 3136 500 0
F. +43 (0) 3136 5692
For Sales Offices, Distributors and Representatives, please visit:
http://www.austriamicrosystems.com/contact
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