Using the Inter-And Intra-Switch Regularity in NoC Switch Testing

Provided by: edaa
Topic: Hardware
Format: PDF
In this paper, the authors propose an efficient test methodology to test switches in a Network-on-Chip (NoC) architecture. A switch in a NoC consists of a number of ports and a router. Using the intra-switch regularity among ports of a switch and inter-switch regularity among routers of switches, the proposed method decreases the test application time and test data volume of NoC testing. Using a test source to generate test vectors and scan-based testing, this methodology broadcasts test vectors through the minimum spanning tree of the NoC and concurrently tests its switches. In addition, a possible fault is detected by comparing test results using the inter- or intra-switch comparisons.

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