Stratix® V Device Handbook: Volume 1: Device Interfaces and Integration

ID 683665
Date 10/18/2023
Public
Document Table of Contents

3.7. Variable Precision DSP Blocks in Stratix V Devices Revision History

Date Version Changes
December 2015 2015.12.21 Changed instances of Quartus II to Quartus Prime.
July 2014 2014.07.22 Reinstated input register bank and systolic registers to the block architecture.
June 2014 2014.06.30
  • Updated the supported megafunctions from ALTMULT_ADD and ALTMULT _ACCUM to ALTERA_MULT_ADD.
  • Updated modes applicable to the accumulator
May 2013 2013.05.06
  • Added link to the known document issues in the Knowledge Base.
  • Moved all links to the Related Information section of respective topics for easy reference.
December 2012 2012.12.28
  • Added "Design Considerations"
  • Updated Figure 3-1 changed Mult_L and Mult_H to Multiplier
  • Updated Figure 3-6 changed Mult_L to Multiplier
  • Updated Figure 3-7 changed Mult_L and Mult_H to Multiplier
  • Updated Figure 3-8 changed Mult_L and Mult_H to Multiplier
  • Updated Figure 3-10 changed Mult_L and Mult_H to Multiplier
  • Updated Figure 3-11 changed Mult_L and Mult_H to Multiplier
  • Updated Figure 3-13 changed Mult_L and Mult_H to Multiplier
  • Updated Figure 3-17 changed Mult_L and Mult_H to Multiplier
  • Updated Figure 3-19 changed 54 to 55
  • Updated Figure 3-20 changed 19 to 18 and deleted Chainout [38..0]
  • Updated Figure 3-23 changed Mult_L to Multiplier
  • Updated Figure 3-24 changed Mult_L and Mult_H to Multiplier and added 44
  • Updated Figure 3-25 added 64
  • Reorganized content and updated template.
June 2012 1.4
  • Added Figure 3–2.
  • Updated Figure 3–7, Figure 3–16, and Figure 3–18.
  • Updated Table 3–1.
  • Updated “Chainout Adder and Accumulator” and “18 x 25 Complex Multiplier” sections.
November 2011 1.3
  • Added Figure 3–21.
  • Updated Figure 3–1, Figure 3–2, Figure 3–11, Figure 3–12, Figure 3–14, Figure 3–16, Figure 3–17, Figure 3–18, Figure 3–19, Figure 3–20, and Figure 3–21.
  • Updated Table 3–1 and Table 3–5.
  • Updated “Pre-Adder and Coefficient Select”, “Systolic Register”, “Systolic FIR Mode”, and “Software Support” sections.
May 2011 1.2
  • Updated chapter for Quartus II software 11.0 release.
  • Chapter moved to volume 2 for the 11.0 release.
  • Updated Table 3–1, Table 3–2, and Table 3–5.
  • Added Table 3–3.
  • Updated all figures in the chapter.
  • Added Figure 3–3.
  • Updated “Software Support” section.
December 2010 1.1 No changes to the content of this chapter for the Quartus II software 10.1.
July 2010 1.0 Initial release.