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Remote boundary-scan system test control for the ATCA standard

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3 Author(s)
Backstrom, D. ; Embedded Syst. Lab., Linkopings Universitet, Linkoping ; Carlsson, G. ; Larsson, E.

The backplane in a multi-board system has a limited wiring capability, which makes additional backplane boundary-scan wiring to link the boards highly costly. The problem is to access the boundary-scan tested boards with the boundary-scan controller at the central board. In this paper we propose an approach suitable for the advanced telecom computing architecture standard where we make use of the existing I2C-bus and the intelligent platform management bus (IPMB) protocol for application of operational tests. We have defined a protocol with commands and responses as well as a test data format for storing test data on the boards to support the remote execution of boundary-scan tests. For validation of the proposed approach we have developed a demonstrator

Published in:

Test Conference, 2005. Proceedings. ITC 2005. IEEE International

Date of Conference:

8-8 Nov. 2005