AMS AS1100, AS1107, AS1106 User guide

AMS AS1100, AS1107, AS1106 User guide
austriamicrosystems AG
is now
ams AG
The technical content of this austriamicrosystems document is still valid.
Contact information:
Headquarters:
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Tobelbaderstrasse 30
8141 Unterpremstaetten, Austria
Tel: +43 (0) 3136 500 0
e-Mail: [email protected]
Please visit our website at www.ams.com
austriamicrosystems
AS1100/06/07
Demoboard Application Note
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Demoboard Application Note
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AS1100, AS1106, AS1107
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Revision 1.00
1-4
austriamicrosystems
AS1100/06/07
Demoboard Application Note
Figure 1: Board Description
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General Description
Power Supply Description
Table 1: Power Supply Description
Mark Info
Description
A
B
BAT / EXT
C
-/+
Place a 1.5V AA cell here.
The demoboard is powered via
The demoboard is
the AA cell.
switched off.
Power Supply Connectors for VCC and GND. 1.5 to 3.5V DC.
The demoboard is powered via
the external connectors “C”
Button Description
Table 2: Button Description
D
MENU
E
µC / -
F
EXT / +
Description
Hitting this button during microcontroller (µC) operation will show up the menu. If the menu is already shown this
button will cycle through the menu options. If the demoboard is controlled externally this button has no function.
Menu mode: This button will cycle reverse through the possible values of a menu option.
Normal mode: A button press will activate the onboard uC.
Menu mode: This button will cycle forward through the possible values of a menu option.
Normal mode: A button press will activate the interface “H” to control the demoboard externally.
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Mark Info
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External Interface Description
Table 3: External Interface Description
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Mark Pin
Description
G EXT
This LED is on if the demoboard is controlled externally.
External interface pins
DOUT
This pin will clock out data from the LED driver on the demoboard.
LOAD
On this pin the load pulse can be applied.
H
CLK
Clock from external source.
DIN
Data input from external source.
GND
Ground pin for the data cable.
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Revision 1.00
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austriamicrosystems
AS1100/06/07
Demoboard Application Note
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Circuit
Figure 2: Circuit
Starting Up
Mounted Chip
The demo board is designed to work with the AS1100, the AS1106 and the AS1107. Per default an
AS1107 is mounted on the demo board. If another IC must be tested, please remove the AA cell “A”
from the board and disconnect the external power supply if connected.
Power Supply
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The AS1107 can now be removed and exchanged with the AS1106 or AS1100.
Figure 3: Mounted Chip
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The demo board is powered via a single AA cell “A” or through the external power connectors “C”. An AS1320 will
boost the input voltage to the required voltage. The maximum input voltage must not exceed 3.5V DC.
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If the demoboard is battery powered please make sure a fully charged rechargeable battery or a new disposable
battery is in use. The AS1320 will convert even low voltages of nearly run out batteries very efficient, but if a worn-out
battery is used the intensity of the LEDs might be reduced.
For a maximum of intensity the external power connection should be used.
Figure 4: AS1320
External Interface
The demoboard can be controlled via the onboard microcontroller or through an external device. This
can be done with a standard 3-wire interface. Additionally there is a pin for the readback of data as well
as a ground pin, if such is required for the data line. Multiple demoboards can be cascaded if the
DOUT is connected to the DIN of the next board.
Figure 5: External interface
The two soldered AS1751 are used to switch data either from the external interface or the onboard microcontroller to the mounted
AS1100, AS1106 or AS1107.
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Revision 1.00
3-4
austriamicrosystems
AS1100/06/07
Demoboard Application Note
Menu
If the demoboard is used with the onboard microcontroller a menu can be called up pressing the MENU button “D”. There are three menu
points available:
Option
Description
This menu option regulates the intensity in 16 steps.
There are 3 different programs to choose from:
Program 1: Shows: “ AS1100 AS1106 AS1107 “
Program 2: Shows BCD characters: “0123456789-EHLP”
Program 3: A test pattern cycling through all possible variants of characters.
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Operational sequence
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This menu option allows setting the speed in 5 steps.
If not present get the datasheet for the AS1100, the AS1106 or the AS1107 from www.austriamicrosystems.com. Drive the IC
on the demoboard only with the recommended settings and values as described in the datasheet.
2.
Place an AA cell in the battery holder or connect an external 1.5 to 3.5V power supply. The input voltage will be boosted via the
soldered AS1320.
3.
Activate the board using switch “B”.
4.
The board will power up and can be used now. For information how to interface with the chip through the external interface
please see the datasheet of AS1106, AS1107 or the datasheet of the AS1100.
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1.
Copyright
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Have fun using the demoboard. If there are questions do not hesitate to contact us. See contact information below.
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Copyright © 2006 austriamicrosystems. 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. To the best of its knowledge,
austriamicrosystems asserts that the information contained in this publication is accurate and correct.
Contact Information
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Headquarters:
austriamicrosystems AG
Standard Linear
A 8141 Schloss Premstätten, Austria
T. +43 (0) 3136 500 0
F. +43 (0) 3136 5692
For Sales Offices, Distributors and Representatives, please visit: www.austriamicrosystems.com/contact
www.austriamicrosystems.com
Revision 1.00
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