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Author(s): José Manuel Martins Ferreira
Ukbagiorgis Iyasu Gebremeskel
Title: An IEEE 1149.x Embedded Test Coprocessor
Issue Date: 2014-07
Abstract: This paper describes a microprogrammed architecture for an embedded coprocessor that is ableto control IEEE 1149.1 to IEEE 1149.7 test infrastructures, and explains how to expand the supportedtest command set. The coprocessor uses a fast simplex link (FSL) channel to interface a32-bit MicroBlaze CPU, but it can work with any microprocessor core that accepts this simpleFIFO-based interface method. The implementation cost (logic resource usage for a Xilinx Spartan6FPGA) and the performance data (operating frequency) are presented for a test command setcomprising two parts: 1) the full IEEE 1149.1 structural test operations; 2) a subset of IEEE 1149.7operations selected to illustrate the implementation of advanced scan formats.
Subject: Engenharia electrotécnica, Engenharia electrotécnica, electrónica e informática
Electrical engineering, Electrical engineering, Electronic engineering, Information engineering
Scientific areas: Ciências da engenharia e tecnologias::Engenharia electrotécnica, electrónica e informática
Engineering and technology::Electrical engineering, Electronic engineering, Information engineering
Document Type: Artigo em Revista Científica Internacional
Rights: openAccess
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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