AR# 46740

Spartan-6 FPGA Design Assistant - Designing block RAM in Spartan-6 FPGAs

Description

This Answer Record provides information on how to use the block RAM in the Spartan-6 FPGA fabric.

NOTE: This Answer Record is part of the XilinxSpartan-6 FPGA Solution Center (Xilinx Answer 44744).The XilinxSpartan-6 FPGASolution Center is available to address all questions related toSpartan-6 devices.Whether you are starting a new design withSpartan-6 FPGA or troubleshooting a problem, use theSpartan-6 FPGA Solution Center to guide you to the right information.

Solution

The built-in block RAM primitive in the Spartan-6 FPGA can be used to implement RAMs, ROMs, and FIFO blocks for a design.The block RAMis optimized for performance and allows you to implementa RAM, ROM, or FIFO block in a design without requiring large amounts of fabric resources from slice logic.

The Spartan-6 FPGABlock RAM ResourcesUser Guide (UG383)provides additional details on the block RAM. It is recommended that you read through the user guide to familiarize yourself with its use and howit can be used in your design:
http://www.xilinx.com/support/documentation/user_guides/ug383.pdf

In addition, the following Answer Recordsare useful in providing details on different ways to implement block RAM blocks in your code:
(Xilinx Answer 46748) - How to infer the use of Block RAM primitive in your HDL code
(Xilinx Answer 46747) - Using block RAM CORE Generator and to setup the block for use in HDL code

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Linked Answer Records

Master Answer Records

Answer Number	Answer Title	Version Found	Version Resolved
44744	Spartan-6 FPGA Solution Center	N/A	N/A

Associated Answer Records

Answer Number	Answer Title	Version Found	Version Resolved
46748	Spartan-6 FPGA Design Assistant - How to infer the use of block RAM and FIFO primitives in your HDL code	N/A	N/A
46747	Spartan-6 FPGA Design Assistant - Using block RAM CORE Generator and FIFO CORE Generator to setup the blocks for use in HDL code	N/A	N/A
46739	Spartan-6 FPGA Design Assistant - Designing for a Spartan-6 FPGA	N/A	N/A

AR# 46740
Date	12/15/2012
Status	Active
Type	General Article
Devices	Spartan-6 LX Spartan-6 LXT Spartan-6Q

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