Report Failures

Command Dictionary

 

 

oThe position in the scan chain of the failing scan cell. This position is 0 based, and 0 position is the scan cell closest to the scan-out pin.

You use this command primarily for diagnostics.

Arguments

The Report Failures command requires that you, at minimum, either provide no arguments or provide the pin_pathname and -Stuck_at value. If you choose to provide the pin_pathname and -Stuck_at value, you can further modify the command’s behavior by adding the -Max and -Pdet switches.

pin_pathname -Stuck_at 0 1

A string paired with a switch and literal pair that specifies both the location and the value of the fault that you want to check for failing patterns. The following describes each of the arguments in more detail:

pin_pathname — A string that specifies the pin pathname of the fault whose failing patterns you want to identify.

If you do not specify a pin_pathname, the command performs a good machine simulation. You can use this good machine simulation to check that the measured values from the test patterns are consistent with simulated values. Any columnar failing patterns results indicate a mismatch.

-Stuck_at 0 1 — A switch and literal pair specifying the stuck-at values that you want to simulate. The stuck-at literal choices are as follows:

0 — A literal that specifies for FastScan to simulate the “stuck-at-0” fault.

1 — A literal that specifies for FastScan to simulate the “stuck-at-1” fault.

-Maxinteger

An optional switch and integer pair specifying the maximum number of failing patterns that you want to occur on the specified fault before the command stops the simulation. The default is: all failing patterns.

To use this option you must also specify the pin_pathname and -Stuck_at value

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FastScan and FlexTest Reference Manual, V8.6_4

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