Achronix Speedster22i User Macro Guide Uživatelský manuál stáhnout pdf (Strana 15)

Speedster Macro Cell Library www.achronix.com PAGE xiv

Preface

Introduction

The Achronix Macro Cell Library provides the user with building blocks that may be

instantiatedintotheuser’sdesign.Thesemacrosprovide accesstolow‐levelfabricprimitives,

complexI/Oblock,andhigherleveldesigncomponents.Eachlibraryelemententrydescribes

the operation of the macro as well as any parameters

 that must be initialized. Verilog and 

VHDLtemplatesarealsoprovidedtoaideintheimplementationoftheuser’sdesign.

TheSpeedsterMacroCellLibraryisdividedintonineseparatechapters:

• Chapter1–“I/OCells”

• Chapter2–“Registers”

• Chapter3–“LogicFunctions”

• Chapter4–“LookupTable(LUT)Functions”

• Chapter5–“Arithmetic Functions”

• Chapter6–“Memories”

• Chapter7–“Multipliers”

• Chapter8–“SpecialFunctions”

• Chapter9–“PLL/DLLClockGenerators”

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Achronix Speedster22i User Macro Guide Uživatelský manuál Strana 15