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

ID 683375
Date 10/18/2023
Public
Document Table of Contents

3.7. Variable Precision DSP Blocks in Cyclone® V Devices Revision History

Date Version Changes
December 2015 2015.12.21 Changed instances of Quartus II to Quartus Prime.
June 2015 2015.06.12
  • Updated Systolic FIR Filter Equivalent Circuit figure.
January 2015 2015.01.23
  • Updated Number of Multipliers in Cyclone® V Devices table for Cyclone® V GX C3 devices.
    • Variable-Precision DSP Block: Updated from 51 to 57.
    • 9 x 9 Multiplier: Updated from 153 to 171.
    • 18 x 18 Multiplier: Updated from 102 to 114.
    • 27 x 27 Multiplier: Updated from 51 to 57.
    • 18 x 18 Multiplier Adder Mode: Updated from 51 to 57.
    • 18 x 18 Multiplier Adder Summed with 36 bit Input: Updated from 51 to 57.
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.
January 2014 2014.01.10
  • Corrected variable-precision DSP block, 27 x 27 multiplier, 18 x 18 multiplier adder mode and 18 x 18 multiplier adder summed with 36 bit input for Cyclone® V SE A4 from 58 to 84.
  • Corrected 18 x 18 multiplier for Cyclone® V SE A4 from 116 to 168.
  • Corrected 9 x 9 multiplier for Cyclone® V SE A4 from 174 to 252.
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.
  • Updated the variable DSP blocks and multipliers counts for the Cyclone® V SX device variants.
December 2012 2012.12.28
  • Added resources for Cyclone® V devices.
  • Updated design considerations for Cyclone® V devices in operational modes.
  • Updated Figure 3-10, changed 37 to 38.
  • Updated Figure 3-11, changed 37 to 38 and changed Result[36..0] to Result [37..0].
June 2012 2.0

Updated for the Quartus II software v12.0 release:

  • Restructured chapter.
  • Added “Design Considerations”, “Adder”, and “Double Accumulation Register” sections.
  • Updated Figure 3–1 and Figure 3–13.
  • Added Table 3–3.
  • Updated “Systolic Registers” and “Systolic FIR Mode” sections.
  • Added Equation 3–2.
  • Added Figure 3–12.
May 2011 1.0 Initial release.