Integer Arithmetic IP Cores User Guide

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Date 4/16/2025
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Document Table of Contents
Document Table of Contents x
1. Integer Arithmetic 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 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

1. Integer Arithmetic IP Cores

Updated for:
Intel® Quartus® Prime Design Suite 25.1
You can use the integer arithmetic IP cores to perform mathematical operations in your design.

These functions offer more efficient logic synthesis and device implementation than coding your own functions. You can customize the IP cores to accommodate your design requirements.

The integer arithmetic IP cores are divided into the following two categories:

  • Library of parameterized modules (LPM) IP cores
  • Intel® -specific (ALT) IP cores

The following table lists the integer arithmetic IP cores.

Table 1.  List of IP Cores
IP Cores Function Overview Supported Device
LPM IP cores
LPM_COUNTER Counter Arria® II GX, Arria II GZ, Arria V, Arria® 10, Cyclone® IV E, Cyclone IV GX, Cyclone V, Cyclone® 10 LP, Cyclone® 10 GX, MAX® II, MAX V, MAX 10, Stratix® IV, Stratix V, Agilex™ 5, Agilex™ 7
LPM_DIVIDE Divider Arria II GX, Arria II GZ, Arria V, Arria® 10, Cyclone IV E, Cyclone IV GX, Cyclone V, Cyclone® 10 LP, Cyclone® 10 GX, MAX II, MAX V, MAX 10, Stratix IV, Stratix V, Stratix® 10, Agilex™ 5, Agilex™ 7
LPM_MULT Multiplier Arria II GX, Arria II GZ, Arria V, Arria® 10, Cyclone IV E, Cyclone IV GX, Cyclone V, Cyclone® 10 LP, Cyclone® 10 GX, MAX II, MAX V, MAX 10, Stratix IV, Stratix V, Stratix® 10 Stratix® 10, Agilex™ 5, Agilex™ 7
LPM_ADD_SUB Adder or subtractor Arria II GX, Arria II GZ, Arria V, Cyclone IV E, Cyclone IV GX, Cyclone V, Cyclone® 10 LP, MAX 10, MAX II, MAX V, Stratix IV, Stratix V
LPM_COMPARE Comparator Arria II GX, Arria II GZ, Arria V, Cyclone IV E, Cyclone IV GX, Cyclone V, Cyclone® 10 LP, MAX 10, MAX II, MAX V, Stratix IV, Stratix V Stratix® 10, Agilex™ 5
Intel® -specific (ALT) IP cores
ALTECC ECC Encoder/Decoder Arria II GX, Arria II GZ, Arria V, Arria® 10, Cyclone IV E, Cyclone IV GX, Cyclone V, Cyclone® 10 LP, Cyclone® 10 GX, MAX II, MAX V, MAX 10, Stratix IV, Stratix V, Agilex™ 5, Agilex™ 7, Agilex™ 3
Intel FPGA Multiply Adder or ALTERA_MULT_ADD Multiplier-Adder Arria V, Stratix V, Cyclone V, Stratix® 10, Arria® 10, Cyclone® 10 GX
ALTMEMMULT Memory-based Constant Coefficient Multiplier Arria II GX, Arria II GZ, Arria V, Arria® 10 ( Quartus® Prime Standard Edition), Cyclone IV E, Cyclone IV GX, Cyclone V, Cyclone® 10 LP, MAX II, MAX V, MAX 10, Stratix IV, Stratix V
ALTMULT_ACCUM Multiplier-Accumulator Arria II GX, Arria II GZ, Cyclone IV E, Cyclone IV GX, Cyclone® 10 LP, MAX 10, MAX II, MAX V, Stratix IV
ALTMULT_ADD Multiplier-Adder Arria II GX, Arria II GZ, Cyclone IV E, Cyclone IV GX, Cyclone® 10 LP, MAX 10, MAX II, MAX V, Stratix IV
ALTMULT_COMPLEX Complex Multiplier Arria II GX, Arria II GZ, Arria® 10, Arria V, Arria V GZ, Cyclone IV E, Cyclone IV GX, Cyclone V, Cyclone® 10 GX, Cyclone® 10 LP, MAX 10, Stratix V, Stratix® 10, Agilex™ 5, Agilex™ 7
ALTSQRT Integer Square-Root Arria II GX, Arria II GZ, Arria V, Arria® 10, Cyclone IV E, Cyclone IV GX, Cyclone V, Cyclone® 10 LP, Cyclone® 10 GX, MAX II, MAX V, MAX 10, Stratix IV, Stratix V, Agilex™ 5, Agilex™ 7
PARALLEL_ADD Parallel Adder Arria II GX, Arria II GZ, Arria V, Arria® 10, Cyclone IV E, Cyclone IV GX, Cyclone V, Cyclone® 10 LP, Cyclone® 10 GX, MAX II, MAX V, MAX 10, Stratix IV, Stratix V, Agilex™ 5, Agilex™ 7
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