Altera FIR Compiler Manual do Utilizador descarregar pdf (Página 13)

Chapter 1: About the FIR Compiler 1–9

Installation and Licensing

f For more information about OpenCore Plus hardware evaluation, refer to

AN320: OpenCore Plus Evaluation of Megafunctions.

OpenCore Plus Time-Out Behavior

OpenCore

Plus hardware evaluation supports the following operation modes:

■ Untethered—the design runs for a limited time.

■ Tethered—requires a connection between your board and the host computer. If

tethered mode is supported by all megafunctions in a design, the device can

operate for a longer time or indefinitely.

All megafunctions in a device time-out simultaneously when the most restrictive

evaluation time is reached. If there is more than one megafunction in a design, a

specific megafunction’s time-out behavior might be masked by the time-out behavior

of the other megafunctions.

The untethered timeout for the FIR Compiler MegaCore function is one hour; the

tethered timeout value is indefinite.

The data output signal is forced to zero when the hardware evaluation time expires.

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Altera FIR Compiler Manual do Utilizador Página 13