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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
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
6.3. VHDL Component Declaration
The VHDL component declaration is located in the VHDL Design File (.vhd) LPM_PACK.vhd in the < Quartus® Prime installation directory>\libraries\vhdl\lpm directory.
component LPM_COMPARE generic (LPM_WIDTH : natural; LPM_REPRESENTATION : string := "UNSIGNED"; LPM_PIPELINE : natural := 0; LPM_TYPE: string := L_COMPARE; LPM_HINT : string := "UNUSED"); port (DATAA : in std_logic_vector(LPM_WIDTH-1 downto 0); DATAB : in std_logic_vector(LPM_WIDTH-1 downto 0); ACLR : in std_logic := '0'; CLOCK : in std_logic := '0'; CLKEN : in std_logic := '1'; AGB : out std_logic; AGEB : out std_logic; AEB : out std_logic; ANEB : out std_logic; ALB : out std_logic; ALEB : out std_logic); end component;