System-level testability of hardware/software systems

Authors:
H. P. E. Vranken;M. P. J. Stevens;M. T. M. Segers;J. H. M. M. van Rhee
Affiliations:
Eindhoven University of Technology, Department of Electrical Engineering, Eindhoven, The Netherlands;Eindhoven University of Technology, Department of Electrical Engineering, Eindhoven, The Netherlands;Eindhoven University of Technology, Department of Electrical Engineering, Eindhoven, The Netherlands and Philips Electronic Design & Tools, Eindhoven;Eindhoven University of Technology, Department of Electrical Engineering, Eindhoven, The Netherlands
Venue:
ITC'94 Proceedings of the 1994 international conference on Test
Year:
1994

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Abstract

As modern digital hardware/software systems become more complex, the testing of these systems throughout their entire system life cycle, including design verification. production testing. and field testing. becomes a severe problem. In this paper a structured approach is presented to solve the problems of system-level testability. A strategy towards design for system-level testability is introduced. which consists of partitioning the system specification into testable parts. and inserting implementation-independent test functionality in the specification. Incorporating these test requirements in the hardware/ software implementation will considerably improve system-level testability. The design and implementation of a traffic-lights control system is presented as an example to illustrate the benefits of this approach.