Boundary-Scan_Tutorial_2007.pdf

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1、Boundary-ScanTutorialBoundary-ScanTutorialSeetheASSEThomepageontheWorldWideWebathttp://www.asset-intertech.comASSET,theASSETlogoandScanWorksareregisteredtrademarks,andDFTAnalyzerisatrademarkofASSETInterTech,Inc.WindowsisaregisteredtrademarkofMicrosoftCorpor

2、ation.©2007-2009,ASSETInterTech,Inc.©2007,R.G.BennettsiiBoundary-ScanTutorialTableofContentsIntroduction.........................................................................................................................................................

3、.....5Chapter1:TheMotivationforBoundary-ScanArchitecture...............................................................................6Chapter2:ThePrincipleofBoundary-ScanArchitecture.........................................................................

4、..........7UsingtheScanPath.................................................................................................................................................................7Chapter3:IEEE1149.1DeviceArchitecture...............................

5、........................................................................11TheInstructionRegister..........................................................................................................................................................11TheIn

6、structions......................................................................................................................................................................12UsingtheInstructionRegister(IR)................................................

7、..........................................................................................13Useofthe“Capture01”Mode..............................................................................................................................................

8、..14TheTestAccessPort(TAP)...................................................................................................................................................15TheBypassRegister.........