边界扫描标准 1149.6 IEEE Standard for Boundary-Scan

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Contents
1. Overview............................................................................................................................................. 1
1.1 Scope........................................................................................................................................... 1
1.2 Organization of the standard........................................................................................................ 1
1.3 Context........................................................................................................................................ 2
1.4 Objectives ................................................................................................................................... 3
2. References........................................................................................................................................... 3
3. Definitions and acronyms .................................................................................................................... 3
3.1 Definitions................................................................................................................................... 3
3.2 Acronyms.................................................................................................................................... 9
4. Technology ....................................................................................................................................... 10
4.1 Signal pin types.......................................................................................................................... 10
4.2 Signal coupling and coupling combinations .............................................................................. 10
4.3 The effects of defects ................................................................................................................. 15
4.4 Defects targeted by the standard ................................................................................................ 17
4.5 Differential termination and testability...................................................................................... 19
4.6 Test signal implementation ........................................................................................................ 20
4.7 Test receiver support for AC testing instructions ...................................................................... 24
4.8 Test receiver support for the (DC) EXTEST instruction ........................................................... 28
4.9 A general test receiver for DC and AC testing instructions....................................................... 29
4.10 Boundary-Scan capture data versus configuration .................................................................... 30
4.11 Noise sources and sensitivities................................................................................................... 32
5. Instructions........................................................................................................................................ 35
5.1 IEEE Std 1149.1 instructions..................................................................................................... 35
5.2 AC testing instructions............................................................................................................... 35
5.3 The EXTEST_PULSE instruction ............................................................................................. 37
5.4 The EXTEST_TRAIN instruction ............................................................................................. 39
5.5 AC Test Signal generation ......................................................................................................... 42
6. Pin implementation specifications ..................................................................................................... 42
6.1 Pin identification....................................................................................................................... 42
6.2 Input test receivers ..................................................................................................................... 43
6.3 Output drivers ............................................................................................................................ 60
6.4 Bidirectional pins ....................................................................................................................... 63
6.5 AC/DC selection cells................................................................................................................ 64
7. Conformance and documentation requirements ................................................................................ 68
7.1 Conformance................................................................................................................................ 68
7.2 Documentation.......................................................................................................................... 69
7.3 BSDL package for Advanced I/O description (STD_1149_6_2003) ........................................ 71
7.4 BSDL extension structure .......................................................................................................... 74
7.5 BSDL attribute definitions......................................................................................................... 75
7.6 Example BSDL .......................................................................................................................... 81
Annex A (informative) Applications and tools.............................................................................................. 94
Annex B (informative) Noise rejection in edge-detecting mode ................................................................. 107
Annex C (informative) Advanced I/O Boundary-Scan Register cells......................................................... 110
Annex D (informative) Test receiver design examples ............................................................................... 116
Annex E (informative) A proposed “INITIALIZE” instruction .................................................................. 128
Annex F (informative) Bibliography ........................................................................................................... 131
【文件名】:09113@52RD_Boundary-Scan-1149.6-2003.pdf
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【大　小】:1682K
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