BIST for network on chip communication infrastructure based on combination of extended IEEE 1149.1 and IEEE 1500 standards

  • Authors:
  • Reza Nourmandi-Pour;Nafiseh Mousavian;Ahmad Khadem-Zadeh

  • Affiliations:
  • Islamic Azad University, Sirjan Branch, Sirjan, Iran;Payamnour University, Tehran Center, Tehran, Iran;Iran Telecommunication Research Center, ITRC, Tehran, Iran

  • Venue:
  • Microelectronics Journal
  • Year:
  • 2011

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Abstract

In this paper we propose a BIST based method to test network on chip (NOC) communication infrastructure. The proposed method utilizes an IEEE 1149.1 architecture based on BIST to at-speed test of crosstalk faults for inter-switch links as well as an IEEE 1500-compliant wrapper to test switches themselves in NOC communication infrastructure. The former architecture includes enhanced cells intended for MAF model test patterns generation and analysis test responses, and the later architecture includes: (a) a March decoder which decodes and executes March commands, which are scanned in serially from input system, on First-In-First-Out (FIFO) buffers in the switch; and (b) a scan chain which is defined to test routing logic block of the switch. To at-speed test inter-switch links one new instruction is used to control cells and TPG controller. Two new instructions, as well as, are applied to activate March decoder and to control scan activities in switch test session. These instructions are defined to fully comply with conventional IEEE 1149.1 and IEEE 1500 standards.