Control File | FlexTest WDB Translation Support |
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WDB. The strength of these forces and results waveforms determines whether the utility treats a bidirectional pin as an input or output. For specific information about how wdb2flex resolves the state of bidirectional pins refer to page
Control File
The purpose of the control file is to set up sampling of the waveforms in the forces WDB. To achieve this, you must specify information about the circuit timing. For timing purposes, wdb2flex considers a clock to be a signal that changes twice in a test cycle. The Add Pin Constraints command uses this same definition. On the other hand, the Add Clocks command of DFTAdvisor, FastScan, and FlexTest defines a clock as any signal that can change the state of a sequential element.
The utility supports the following commands in the control file.
All the timing information you specify with these commands should be relative, not absolute.
Note
SET CYcle Time number
The Set Cycle Time command sets the test cycle time. The utility takes a sample every cycle. Number is the cycle time in nanoseconds, which generally equals the clock period of the stimulus. If the circuit contains multiple clocks, you would typically make the cycle time equivalent to the period of the fastest clock.
SETup INput Strobes number
The Setup Input Strobes command sets the default strobe point for all input waveforms. Typically, number would be 0. However, if the primary inputs change at different times, you should specify a time at which the inputs are no longer changing.
SETup OUtput Strobes number
FastScan and FlexTest Reference Manual, V8.6_4 |
