IEC 62525:2007

IEC 62525
Edition 1.0 2007-11
™
IEEE 1450
INTERNATIONAL
STANDARD
Standard Test Interface Language (STIL) for Digital Test Vector Data

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IEC 62525
Edition 1.0 2007-11
™
IEEE 1450
INTERNATIONAL
STANDARD
Standard Test Interface Language (STIL) for Digital Test Vector Data

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XG
ICS 25.040;19.080 ISBN 2-8318-9337-2

– 2 – IEC 62525:2007(E)
IEEE 1450-1999(E)
CONTENTS
FOREWORD .6
IEEE Introduction .9
1. Overview.10
1.1 Scope.12
1.2 Purpose.13
2. References.13
3. Definitions, acronyms, and abbreviations.13
3.1 Definitions.13
3.2 Acronyms and abbreviations.16
4. Structure of this standard . 16
5. STIL orientation and capabilities tutorial (informative).17
5.1 Hello Tester.17
5.2 Basic LS245. 22
5.3 STIL timing expressions/”Spec” information. 26
5.4 Structural test (scan) . 31
5.5 Advanced scan . 35
5.6 IEEE Std 1149.1-1990 scan . 41
5.7 Multiple data elements per test cycle. 46
5.8 Pattern reuse/direct access test. 50
5.9 Event data/non-cyclized STIL information . 54
6. STIL syntax description. 64
6.1 Case sensitivity . 64
6.2 Whitespace. 64
6.3 Reserved words. 64
6.4 Reserved characters . 66
6.5 Comments . 67
6.6 Token length . 67
6.7 Character strings . 67
6.8 User-defined name characteristics . 68
6.9 Domain names . 68
6.10 Signal and group name characteristics.69
6.11 Timing name constructs. 69
6.12 Number characteristics. 69
6.13 Timing expressions and units (time_expr). 70
6.14 Signal expressions (sigref_expr). 72
6.15 WaveformChar characteristics. 73
6.16 STIL name spaces and name resolution. 74
7. Statement structure and organization of STIL information . 76
7.1 Top-level statements and required ordering . 68
7.2 Optional top-level statements . 70
7.3 STIL files . 70
Published by IEC under licence from IEEE. © 1999 IEEE. All rights reserved.

IEEE 1450-1999(E)
8. STIL statement. 79
8.1 STIL syntax. 79
8.2 STIL example. 79
9. Header block . 80
9.1 Header block syntax. 80
9.2 Header example . 80
10. Include statement . 80
10.1 Include statement syntax. 81
10.2 Include example. 81
10.3 File path resolution with absolute path notation. 81
10.4 File path resolution with relative path notation . 81
11. UserKeywords statement . 82
11.1 UserKeywords statement syntax. 82
11.2 UserKeywords example. 82
12. UserFunctions statement. 82
12.1 UserFunctions statement syntax . 83
12.2 UserFunctions example. 83
13. Ann statement . 83
13.1 Annotations statement syntax . 83
13.2 Annotations example . 83
14. Signals block. 83
14.1 Signals block syntax . 84
14.2 Signals block example . 86
15. SignalGroups block. 86
15.1 SignalGroups block syntax . 86
15.2 SignalGroups block example . 87
15.3 Default attribute values. 87
15.4 Translation of based data into WaveformChar characters. 88
16. PatternExec block . 89
16.1 PatternExec block syntax. 90
16.2 PatternExec block example. 90
17. PatternBurst block. 90
17.1 PatternBurst block syntax . 91
17.2 PatternBurst block example . 92
Published by IEC under licence from IEEE. © 1999 IEEE. All rights reserved.

– 4 – IEC 62525:2007(E)
IEEE 1450-1999(E)
18. Timing block and WaveformTable block. 92
18.1 Timing and WaveformTable syntax . 93
18.2 Waveform event definitions. 96
18.3 Timing and WaveformTable example . 98
18.4 Rules for timed event ordering and waveform creation. 99
18.5 Rules for waveform inheritance. 102
19. Spec and Selector blocks .
...