Foundation of Combined Datapath and Controller Self-checking Design
Foundation of Combined Datapath and Controller Self-checking Design
We consider the problem of designing self-checking controllers for applications with sequential datapaths. Firstly we compare encoded and unencoded (one-hot) controller implementations and we argue that self-checking of encoded control signals is not sufficient in terms of testability. Subsequently, we present four alternative controller self-checking schemes, based both on parity and on the observation that a self-checking data path can be employed for control path self-checking as well, by exploiting Intrinsically Secure control states. We discuss the properties of each of them, and present a few experimental results.
30-34
Oikonomakos, Petros
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Zwolinski, Mark
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Metra, Cecilia
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Sonza Reorda, Matteo
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Gizopoulos, Dimitris
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Nicolaidis, Michael
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2003
Oikonomakos, Petros
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Zwolinski, Mark
adfcb8e7-877f-4bd7-9b55-7553b6cb3ea0
Metra, Cecilia
c420be13-a9cf-471a-96fb-3f43a694ffae
Sonza Reorda, Matteo
22bbc0c2-ad92-4e20-b021-e63d2187ec7a
Gizopoulos, Dimitris
4498f8a4-0644-4be0-b4d6-07b10694bc2c
Nicolaidis, Michael
ea227122-3912-4151-bea1-36eed62123d0
Oikonomakos, Petros and Zwolinski, Mark
(2003)
Foundation of Combined Datapath and Controller Self-checking Design.
Metra, Cecilia, Sonza Reorda, Matteo, Gizopoulos, Dimitris and Nicolaidis, Michael
(eds.)
9th IEEE International On-Line Testing Symposium, Kos Island, Greece.
07 - 09 Jul 2003.
.
Record type:
Conference or Workshop Item
(Other)
Abstract
We consider the problem of designing self-checking controllers for applications with sequential datapaths. Firstly we compare encoded and unencoded (one-hot) controller implementations and we argue that self-checking of encoded control signals is not sufficient in terms of testability. Subsequently, we present four alternative controller self-checking schemes, based both on parity and on the observation that a self-checking data path can be employed for control path self-checking as well, by exploiting Intrinsically Secure control states. We discuss the properties of each of them, and present a few experimental results.
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iolts2003_final.doc
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iolts2003_new.ppt
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Published date: 2003
Additional Information:
Event Dates: 7-9 July 2003
Venue - Dates:
9th IEEE International On-Line Testing Symposium, Kos Island, Greece, 2003-07-07 - 2003-07-09
Organisations:
EEE
Identifiers
Local EPrints ID: 258021
URI: http://eprints.soton.ac.uk/id/eprint/258021
PURE UUID: 5581222f-e149-4d7f-8c3e-53dcda534c8f
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Date deposited: 18 Jul 2003
Last modified: 15 Mar 2024 02:39
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Contributors
Author:
Petros Oikonomakos
Author:
Mark Zwolinski
Editor:
Cecilia Metra
Editor:
Matteo Sonza Reorda
Editor:
Dimitris Gizopoulos
Editor:
Michael Nicolaidis
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