acam-messelectronic gmbH
is now
Member of the
ams Group
The technical content of this acam-messelectronic document is still valid.
Contact information:
Headquarters:
ams AG
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8141 Unterpremstaetten, Austria
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Please visit our website at
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1
Data Sheet
PSØ81
Single Chip Solution for Strain Gauges
July 4th, 2012
Document-No.: DB_PSØ81_en V0.9
Member of the ams Group
1
PSØ81
Published by acam-messelectronic gmbh
©
acam-messelectronic gmbh 2012
Disclaimer / Notes
The information provided by this data sheet is believed to be accurate and reliable. However, no
responsibility is assumed by acam for its use, nor for any infringements of patents or other rights
of third parties that may result from its use. The information is subject to change without notice
and is provided „as is“ without warranty of any kind (expressed or implied). Picostrain is a registered
trademark of acam. All other brand and product names in this document are trademarks or service
marks of their respective owners.
Support
For a complete listing of Direct Sales, Distributor and Sales Representative contacts, visit the acam
web site at: http://www.acam.de/company/distributors or refer to chapter 7.2 in this datasheet
For technical support you can contact the acam support team in the headquarter in Germany or the
Distributor in your country. The contact details of acam in Germany are:
support@acam.de
or by phone
+49-7244-74190.
2
acam-messelectronic gmbh - Friedrich-List-Str.4 - D-76297 Stutensee-Blankenloch - Germany - www.acam.de
Member of the ams Group
PSØ81
Table of Contents
1 Overview
2 Characteristics and Specifications
3.1 Overview
3.2 Measurement Principle
Page
1-2
2-2
3-2
3-2
3-3
3-10
3-15
3-25
4-2
4-3
4-14
4-16
4-19
4-26
3 Converter Front End
3.3 Connecting the Strain Gauges
3.4 Capacitor, Cycle Time,
3.5 Modes and Timings
3.6 Post-processing
4.1 Oscillators
4 Peripheral Components
& Special Settings
4.2 LCD-Driver
4.3 Support of an External LCD
4.4 I/O-pins
4.5 SPI-Interface
4.6 Power Supply
5 Configuration Registers
6.1 Block Diagram
6.2 Memory Organization
5-2
6-2
6-2
6-5
6-8
6-34
7-2
7-3
7-4
7-4
7-5
6 Central Processing Unit
(CPU)
6.3 Status and Result Registers
6.4 Instruction Set
6.5 System Reset, Sleep Mode
7.1 Migration from PS08
7 Miscellaneous
7.2 Bug Report
7.3 Known issues and solutions
7.4 Literature Guide
7.5 Document History
8 Appendix
acam-messelectronic gmbh - Friedrich-List-Str.4 - D-76297 Stutensee-Blankenloch - Germany - www.acam.de
3
8-2
Member of the ams Group
1
PSØ81
acam-messelectronic gmbh - Friedrich-List-Str.4 - D-76297 Stutensee-Blankenloch - Germany - www.acam.de
4
Member of the ams Group
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