Mentor v8.6_4 manual Delete Lfsr Taps, ∙ tapposition

Command Dictionary Delete LFSR Taps

Delete LFSR Taps

Tools Supported: FastScan

Scope: Setup mode

Prerequisites: You must add LFSR taps with the Add LFSR Taps command before you can delete them.

Usage

DELete LFsr Taps lfsr_name {tap_position... -All}

Description

Removes the tap positions from a Linear Feedback Shift Register (LFSR).

The Delete LFSR Taps command deletes the specified LFSR tap positions added with the Add LFSR Taps command. You can display the current tap positions of all defined LFSRs by using the Report LFSRs command.

You use this command primarily for simulating Built-In Self Test (BIST) circuitry.

Arguments

∙lfsr_name

A string that specifies the reference name of the LFSR whose tap positions you want to delete.

∙tap_position

A repeatable string that specifies the list of tap positions that you want to delete from the lfsr_name.

∙-All

A switch that deletes all of the tap positions from the lfsr_name.

FastScan and FlexTest Reference Manual, V8.6_4 2-179