Integer Arithmetic Intel® FPGA IP Cores User Guide

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ID 683490
Date 4/01/2024
Public
Document Table of Contents
Document Table of Contents x
1. Integer Arithmetic Intel® FPGA IP Cores 2. LPM_COUNTER (Counter) IP Core 3. LPM_DIVIDE Intel® FPGA IP Core References 4. LPM_MULT (Multiplier) IP Core 5. LPM_ADD_SUB (Adder/Subtractor) 6. LPM_COMPARE (Comparator) 7. ALTECC (Error Correction Code: Encoder/Decoder) IP Core 8. Intel FPGA Multiply Adder IP Core 9. ALTMEMMULT (Memory-based Constant Coefficient Multiplier) IP Core 10. ALTMULT_ACCUM (Multiply-Accumulate) IP Core 11. ALTMULT_ADD (Multiply-Adder) IP Core 12. ALTMULT_COMPLEX (Complex Multiplier) IP Core 13. ALTSQRT (Integer Square Root) IP Core 14. PARALLEL_ADD (Parallel Adder) IP Core 15. Integer Arithmetic Intel® FPGA IP Cores User Guide Document Archives 16. Document Revision History for Integer Arithmetic Intel® FPGA IP Cores User Guide
2. LPM_COUNTER (Counter) IP Core x
2.1. Features 2.2. Verilog HDL Prototype 2.3. VHDL Component Declaration 2.4. VHDL LIBRARY_USE Declaration 2.5. Ports 2.6. Parameters
3. LPM_DIVIDE Intel® FPGA IP Core References x
3.1. Features 3.2. Verilog HDL Prototype 3.3. VHDL Component Declaration 3.4. VHDL LIBRARY_USE Declaration 3.5. Ports 3.6. Parameters
4. LPM_MULT (Multiplier) IP Core x
4.1. Features 4.2. Verilog HDL Prototype 4.3. VHDL Component Declaration 4.4. VHDL LIBRARY_USE Declaration 4.5. Signals 4.6. Parameters for Stratix V, Arria V, Cyclone V, and Cyclone® 10 LP Devices 4.7. Parameters for Stratix® 10, Arria® 10, and Cyclone® 10 GX Devices
4.6. Parameters for Stratix V, Arria V, Cyclone V, and Cyclone® 10 LP Devices x
4.6.1. General Tab 4.6.2. General 2 Tab 4.6.3. Pipelining Tab
4.7. Parameters for Stratix® 10, Arria® 10, and Cyclone® 10 GX Devices x
4.7.1. General Tab 4.7.2. General 2 Tab 4.7.3. Pipelining
5. LPM_ADD_SUB (Adder/Subtractor) x
5.1. Features 5.2. Verilog HDL Prototype 5.3. VHDL Component Declaration 5.4. VHDL LIBRARY_USE Declaration 5.5. Ports 5.6. Parameters
6. LPM_COMPARE (Comparator) x
6.1. Features 6.2. Verilog HDL Prototype 6.3. VHDL Component Declaration 6.4. VHDL LIBRARY_USE Declaration 6.5. Ports 6.6. Parameters
7. ALTECC (Error Correction Code: Encoder/Decoder) IP Core x
7.1. ALTECC Encoder Features 7.2. Verilog HDL Prototype (ALTECC_ENCODER) 7.3. Verilog HDL Prototype (ALTECC_DECODER) 7.4. VHDL Component Declaration (ALTECC_ENCODER) 7.5. VHDL Component Declaration (ALTECC_DECODER) 7.6. VHDL LIBRARY_USE Declaration 7.7. Encoder Ports 7.8. Decoder Ports 7.9. Encoder Parameters 7.10. Decoder Parameters
8. Intel FPGA Multiply Adder IP Core x
8.1. Features 8.2. Verilog HDL Prototype 8.3. VHDL Component Declaration 8.4. VHDL LIBRARY_USE Declaration 8.5. Signals 8.6. Parameters
8.1. Features x
8.1.1. Pre-adder 8.1.2. Systolic Delay Register 8.1.3. Pre-load Constant 8.1.4. Double Accumulator
8.1.1. Pre-adder x
8.1.1.1. Pre-adder Simple Mode 8.1.1.2. Pre-adder Coefficient Mode 8.1.1.3. Pre-adder Input Mode 8.1.1.4. Pre-adder Square Mode 8.1.1.5. Pre-adder Constant Mode
8.6. Parameters x
8.6.1. General Tab 8.6.2. Extra Modes Tab 8.6.3. Multipliers Tab 8.6.4. Preadder Tab 8.6.5. Accumulator Tab 8.6.6. Systolic/Chainout Tab 8.6.7. Pipelining Tab
9. ALTMEMMULT (Memory-based Constant Coefficient Multiplier) IP Core x
9.1. Features 9.2. Verilog HDL Prototype 9.3. VHDL Component Declaration 9.4. Ports 9.5. Parameters
10. ALTMULT_ACCUM (Multiply-Accumulate) IP Core x
10.1. Features 10.2. Verilog HDL Prototype 10.3. VHDL Component Declaration 10.4. VHDL LIBRARY_USE Declaration 10.5. Ports 10.6. Parameters
11. ALTMULT_ADD (Multiply-Adder) IP Core x
11.1. Features 11.2. Verilog HDL Prototype 11.3. VHDL Component Declaration 11.4. VHDL LIBRARY_USE Declaration 11.5. Ports 11.6. Parameters
12. ALTMULT_COMPLEX (Complex Multiplier) IP Core x
12.1. Complex Multiplication 12.2. Canonical Representation 12.3. Conventional Representation 12.4. Features 12.5. Verilog HDL Prototype 12.6. VHDL Component Declaration 12.7. VHDL LIBRARY_USE Declaration 12.8. Signals 12.9. Parameters
13. ALTSQRT (Integer Square Root) IP Core x
13.1. Features 13.2. Verilog HDL Prototype 13.3. VHDL Component Declaration 13.4. VHDL LIBRARY_USE Declaration 13.5. Ports 13.6. Parameters
14. PARALLEL_ADD (Parallel Adder) IP Core x
14.1. Feature 14.2. Verilog HDL Prototype 14.3. VHDL Component Declaration 14.4. VHDL LIBRARY_USE Declaration 14.5. Ports 14.6. Parameters
1. Integer Arithmetic Intel® FPGA IP Cores
2. LPM_COUNTER (Counter) IP Core
3. LPM_DIVIDE Intel® FPGA IP Core References
4. LPM_MULT (Multiplier) IP Core
5. LPM_ADD_SUB (Adder/Subtractor)
6. LPM_COMPARE (Comparator)
7. ALTECC (Error Correction Code: Encoder/Decoder) IP Core
8. Intel FPGA Multiply Adder IP Core
9. ALTMEMMULT (Memory-based Constant Coefficient Multiplier) IP Core
10. ALTMULT_ACCUM (Multiply-Accumulate) IP Core
11. ALTMULT_ADD (Multiply-Adder) IP Core
12. ALTMULT_COMPLEX (Complex Multiplier) IP Core
13. ALTSQRT (Integer Square Root) IP Core
14. PARALLEL_ADD (Parallel Adder) IP Core
15. Integer Arithmetic Intel® FPGA IP Cores User Guide Document Archives
16. Document Revision History for Integer Arithmetic Intel® FPGA IP Cores User Guide

16. Document Revision History for Integer Arithmetic Intel® FPGA IP Cores User Guide

Document Version Quartus® Prime Version Changes
2024.04.01 24.1
  • Added Agilex™ 5 devices and Agilex™ 7 devices in the List of IP Cores table.
  • Changed the document title from Intel FPGA Integer Arithmetic IP Cores User Guide to Integer Arithmetic Intel® FPGA IP Cores User Guide and updated where relevant.
  • Updated the Integer Arithmetic IP Cores User Guide Document Archives to latest format.
2020.10.05 20.3 Added a note to removed ALTMEMMULT support in Quartus® Prime Pro Edition software.
2020.04.30 17.1
  • Updated values for Which multiplier implementation should be used? parameter for LPM_MULT IP core in the Parameters for Stratix® 10, Arria® 10, and Cyclone® 10 GX Devices topic.
Date Version Changes
November 2017 2017.11.24
  • Rebranded ALTERA_MULT_ADD IP core name to Intel FPGA Multiply Adder for Stratix® 10, Arria® 10, and Cyclone® 10 GX devices.
  • Reverted the behavior of sload_accum and accum_sload signals in Intel FPGA Multiply Adder or ALTERA_MULT_ADD Input Signals.
  • Added Stratix® 10 devices in the List of IP Cores table.
  • Removed Design Example Files section.
  • Added a note for the first multiplier chainin signal in Systolic Delay Register.
June 2017 2017.06.19
  • Rebranded as Intel.
  • Added support for Cyclone 10 GX and Cyclone 10 LP devices.
  • Removed outdated design example information.
  • Updated sload_accum and accum_sload signals behavior in the ALTERA_MULT_ADD Input Signals table.
June 2016 2016.06.10
  • Added separate parameters table for Arria 10 devices.
  • Replaced ip-generated parameter names with GUI parameter names for LPM_MULT, ALTERA_MULT_ADD and ALTMULT_COMPLEX IP cores.
  • Added synchronous clear support for input, pipeline, and output registers LPM_MULT in Arria 10 devices, ALTERA_MULT_ADD for all devices and ALTMULT_COMPLEX for Arria 10 devices.
  • Added new parameters in LPM_MULT and ALTMULT_COMPLEX IP cores (Arria 10 devices) and ALTERA_MULT_ADD (for all devices) to enable users to select synchronous clear feature.
  • Removed resource tables for all Integer Arithmetic IP cores.
November 2015 2015.11.18
  • Corrected LPM_COUNTER VHDL component declaration.
  • Added device support list to List of IP Cores table.
  • Removed Stratix V, Arria V and Cyclone V devices support for ALTMULT_ACCUM and ALTMULT_ADD IP cores.
  • Removed Cyclone II, Cyclone III, Stratix II, and Stratix III because these devices are no longer supported for all the integer arithmetic IP cores.
  • Change COEFFSEL[]_REGISTER parameter name to COEFSEL[]_REGISTER and COEFFSEL[]_ACLR parameter name to COEFSEL[]_ACLR.
  • Added description in REPRESENTATION_A and REPRESENTATION_B parameters to clarify only signed input representation is supported for Stratix V, Arria V, Cyclone V, and Arria 10 devices.
  • Added LPM_ADD_SUB and LPM_COMPARE IP cores information.
  • Added links to Introduction to Altera IP Cores, Creating Version-Independent IP and Qsys Simulation Scripts, and Project Management Best Practices.
  • Changed instances of Quartus II to Quartus Prime.
December, 2014 2014.12.19
  • Removed the LPM_ADD_SUB and LPM_COMPARE IPs because these IPs are no longer supported.
  • Added a note to clarify that when building multipliers larger than the natively supported size there may be a performance impact resulting from the cascading of the DSP blocks in LPM_MULT, ALTERA_MULT_ADD, ALTMULT_ACCUM, ALTMULT_ADD, and ALTMULT_COMPLEX IP cores.
  • Added information about the Create a ‘sync_e’ port parameter and the sync_e signal for ALTECC_DECODER IP core.
  • Removed sconst port information as the port is no longer available for LPM_COUNTER IP core.
  • Provided an example to use the LPM_HINT parameter.
August, 2014 2014.08.18
  • Updated parameterization steps for legacy and latest parameter editors.
  • Added note for IP cores that do not support Arria 10 designs.
  • Added device migration information.
June 2014 5.0
  • Replaced MegaWizard Plug-In Manager information with IP Catalog.
  • Added standard information about upgrading IP cores.
  • Added standard installation and licensing information.
  • Removed outdated device support level information. IP core device support is now available in IP Catalog and parameter editor.
June 2013 4.0
  • Added Intel FPGA Multiply Adder IP Core section.
  • Removed the following obsoleted megafunctions: LPM_ABS, ALTACCUMULATE, ALTMULT_ACCUM, ALTMULT_ADD.
  • Updated ALTMULT_ACCUM (Multiply-Accumulate) on page 10-1 to include an obsolescence note and remove Arria V, Cyclone V, and Stratix V devices information.
  • Updated ALTMULT_ADD (Multiply-Adder) on page 11-1 to include an obsolescence note and remove Arria V, Cyclone V, and Stratix V devices information.
February 2013 3.1
  • Updated Table 52 on page 63 to include Stratix V information for accum_sload port.
  • Updated Table 54 on page 65 to include Stratix V information for PORT_SIGNA and PORT_SIGNB parameters.
February 2012 3.0
  • Added Arria V and Cyclone V device support.
  • Updated the parameter description for the following section:
    • ALTMULT_ACCUM (Multiply-Accumulate)
    • ALTMULT_ADD (Multiply-Add)
  • Added the Double Accumulator section.
July 2010 2.0
  • Updated architecture information for the following sections:
    • ALTMULT_ACCUM (Multiply-Accumulate)
    • ALTMULT_ADD (Multiply-Add)
    • ALTMULT_COMPLEX (Complex Multiplier)
  • Added specification information for all megafunctions
November 2009 1.0 Initial release.
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