'Ieee std logic' diaporamas de présentation

Property Specification Language

Property Specification Language. PSL. Hardware Verification Example. Hardware Verification Example. Hardware Verification Example. Hardware Verification Types. Model Checking Checks one hardware model against another hardware model Theorem Proving

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Latches and Flip-Flops

Latches and Flip-Flops. Discussion D6.1. Latches and Flip-Flops. Latches SR Latch D Latch Flip-Flops D Flip-Flop JK Flip-Flop T Flip-Flop. Sequential Logic. Combinational Logic Output depends only on current input Sequential Logic

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A Greatest Common Divisor (GCD) Processor

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Decoders and Encoders

Decoders and Encoders. Discussion DS-2.1. Decoders and Encoders. Binary Decoders Binary Encoders Priority Encoders. Decoders. 3-to-8 Decoder. A: in STD_LOGIC_VECTOR(2 downto 0); Y: out STD_LOGIC_VECTOR(0 to 7);. Behavior. for i in 0 to 7 loop

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CPLD-VHDL ?????? WWW.HYIVS.TNC.EDU.TW ???

CPLD-VHDL ?????? WWW.HYIVS.TNC.EDU.TW ???. VHDL ?? ???. LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.all; ENTITY true IS Port (a,b,c:in STD_Logic; y:out STD_Logic); End true; ARCHITECTURE a OF true IS Begin Y<=((not a) and b and (not c)) or (a and b and (not c));

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Comparators

Comparators. Discussion DS-3.1. A 1-Bit Comparator. The variable Gout is 1 if x > y or if x = y and Gin = 1. The variable Eout is 1 if x = y and Gin = 0 and Lin = 0. The variable Lout is 1 if x < y or if x = y and Lin = 1.

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Lab 2 4-Bit Adder

Lab 2 4-Bit Adder. Digilent Spartan 3 Board Lecture L2.3. 4-Bit Adder. component adder4 port ( A : in std_logic_vector(3 downto 0); B : in std_logic_vector(3 downto 0); carry : out std_logic; S : out std_logic_vector(3 downto 0)); end component ;.

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Arithmetic Logic Unit (ALU)

Arithmetic Logic Unit (ALU). Discussion D7.4 Example 21. ALU. nf = negative flag (nf=1 if y(n-1)=1 zf = zero flag (zf = 1 if y = 0) ovf = overflow flag cf = carry flag. alu.vhd. -- Example 21: alu library IEEE; use IEEE.STD_LOGIC_1164. all ; use IEEE.STD_LOGIC_unsigned. all ;

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Test-bench para Somador

Test-bench para Somador. Somador Completo de 1 bit. library IEEE; use IEEE.STD_LOGIC_1164.all; entity Soma1Bit is port ( cin: in std_logic; a: in std_logic; b: in std_logic; cout: out std_logic; s: out std_logic ); end Soma1Bit;

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