2. Copyright © 1997 Altera Corporation 10/15/2015 How to use LPM within VHDL Entry Danny Mok Altera HK FAE (dmok@altera.com)

3. Copyright © 1997 Altera Corporation 10/15/2015 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.

4. Copyright © 1997 Altera Corporation 10/15/2015 Where is the LPM locate...... Here is the LPM library locate at Here is all the LPM available to the user

5. Copyright © 1997 Altera Corporation 10/15/2015 Use LPM in the Graphic design I know how to use the LPM within the Graphic Design Entry, but how about VHDL design Entry

6. Copyright © 1997 Altera Corporation 10/15/2015 How to use the LPM for my VHDL Design

7. Copyright © 1997 Altera Corporation 10/15/2015 Altera provide example

8. Copyright © 1997 Altera Corporation 10/15/2015 Example of LPM_RAM_DQ

9. Copyright © 1997 Altera Corporation 10/15/2015 The LPM_RAM_DQ has been implemented in the EAB

10. Copyright © 1997 Altera Corporation 10/15/2015 Second Example

11. Copyright © 1997 Altera Corporation 10/15/2015 Example LPM_ROM What is the MIF file

12. Copyright © 1997 Altera Corporation 10/15/2015 What is MIF file

13. Copyright © 1997 Altera Corporation 10/15/2015 DEPTH = 256; WIDTH = 8; ADDRESS_RADIX = HEX DATA_RADIX = HEX; CONTENT BEGIN [0..F]:3F; 6:F; 8:F E 5; END ;

14. Copyright © 1997 Altera Corporation 10/15/2015 Third Example

15. Copyright © 1997 Altera Corporation 10/15/2015 Example of CLKLOCK

16. Copyright © 1997 Altera Corporation 10/15/2015

17. Copyright © 1997 Altera Corporation 10/15/2015 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