04/19/23 Copyright © 1997 Altera Corporation

How to use LPM within VHDL Entry

Danny Mok

Altera HK FAE

(dmok@altera.com)

04/19/23 Copyright © 1997 Altera Corporation

What is LPM

LPM is some pre-design module which can help you to finish your design more easier

All LPM is parameterized, so you just need to type in the input parameter, the LPM will behave what you want

Example of LPM available– lpm_dff, lpm_rom, lpm_ram_dq etc.

04/19/23 Copyright © 1997 Altera Corporation

Where is the LPM locate ......

Here is the LPM librarylocate at

Here is all the LPM available to the user

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Use LPM in the Graphic design

I know how to use the LPM within the GraphicDesign Entry, but how about VHDL design Entry

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How to use the LPM for my VHDL Design

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Altera provide example

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Example of LPM_RAM_DQ

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The LPM_RAM_DQ has been implemented in the EAB

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Second Example

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Example LPM_ROM

What is the MIF file

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What is MIF file

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DEPTH = 256;WIDTH = 8; ADDRESS_RADIX = HEXDATA_RADIX = HEX; CONTENTBEGIN[0..F]:3F;6:F;8:F E 5;END ;

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Third Example

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Example of CLKLOCK

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Conclusion

LPM is a very powerful library to assit you to do the design

LPM can be used during– Graphic Design Entry

– AHDL Design Entry

– VHDL Design Entry

– EDIF Design Entry