Mentor v8.6_4 manual SET Bidiforce Time, ∙ timevaluelist

Timing Command Dictionary SET BIDI_FORCE TIME

SET BIDI_FORCE TIME

Scope: Sets timing information

Usage

SET BIDI_FORCE TIME time_value_list

Description

Sets bidirectional pin force time for each timeframe.

The SET FORCE TIME command lets you specify one set of force times for all pins of the device under test. However, to prevent bus contention on bidirectional pins, the force times for these pins must occur after applying the tri-state control signal. You specify this special bidirectional pin force time with the SET BIDI_FORCE TIME command. The bidirectional pin force time you specify must occur prior to the measure time in the same timeframe.

Note that this timing file command is similar to the BIDI_FORCE_PI statement that FastScan uses in its TIMEPLATE definition.

Arguments

∙time_value_list

The set of time values indicating when bidirectional pin forces should occur. The number of list values must equal the number of timeframes in the test cycle, as specified by the Set Test Cycle application command description in Chapter 2.

Examples

The following example shows the SET BIDI_FORCE TIME command used with the SET FORCE TIME and SET MEASURE TIME commands. Assume the test cycle contains four timeframes.

Assume the timing file contains the following timing commands:

SET FORCE TIME 0 20 40 70;

SET MEASURE TIME 15 38 65;

SET BIDI_FORCE TIME 10 30 60 100;

FastScan and FlexTest Reference Manual, V8.6_4 A-33