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                        1. Intel FPGA Integer Arithmetic IP Cores
                    
                
                    
                        2. LPM_COUNTER (Counter) IP Core
                    
                    
                
                    
                        3. LPM_DIVIDE (Divider) Intel FPGA IP Core
                    
                    
                
                    
                        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 IP Cores User Guide Document Archives
                    
                
                    
                    
                        16. Document Revision History for Intel FPGA Integer Arithmetic IP Cores User Guide
                    
                
            
        
                        
                        
                            
                            
                                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
                            
                        
                    
                14.1. Feature
The PARALLEL_ADD IP core offers the following features:
- Performs add or subtract operations on a number of inputs to produce a single sum result
 - Supports data width of 8–128 bits
 - Supports signed and unsigned data representation format
 - Supports pipelining with configurable output latency
 - Supports shifting data vectors
 - Supports addition or subtraction of the most-significant input operands
 - Supports optional asynchronous clear and clock enable ports