LIBRARY ieee; USE ieee.std_logic_1164.all; ENTITY debounce IS GENERIC( clk_freq : INTEGER := 50_000_000; --system clock frequency in Hz stable_time : INTEGER := 10); --time button must remain stable in ms PORT( clk : IN STD_LOGIC; --input clock reset_n : IN STD_LOGIC; --...
标准逻辑位矢量类型说明 无符号整型(UNSIGNED) 有符号整型(SIGNED) 小整型(SMALL_INT) 定义在STD_LOGIC_ARITH中 使用时必须加入LIBRARY IEEE;USE IEEE.STD_LOGIC_ARITH.ALL;3. 其他类型说明数组类型是复合类型,将一组具有相同数据类型的元素集合在一起,作为一个数据对象来处理仿真器支持多维数组,综合器只支持一维...
AI代码解释 LIBRARYieee;USEieee.std_logic_1164.all;ENTITYdebounceISGENERIC(clk_freq:INTEGER:=50_000_000;--system clock frequencyinHzstable_time:INTEGER:=10);--time button must remain stableinmsPORT(clk:INSTD_LOGIC;--input clockreset_n:INSTD_LOGIC;--asynchronous active low resetbutton:INSTD_L...
-- library management in VHDL library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.numeric_std.all; use work.clock_div.all; 简而言之,VHDL 在高级硬件建模方面比 Verilog 更好。由于 FPGA 设计流程不需要低级硬件建模,如果我是 FPGA 设计师,我更喜欢 VHDL 而不是 Verilog。 值得一提的是,SystemVer...
Course Description The Universal Verification Methodology (UVM) is the IEEE1800.1 class-based verification library and reuse methodology for SystemVerilog. The UVM class library provides the basic building blocks for creating verification data and components. The UVM methodology enables engineers to quickly...
libraryieee;useieee.std_logic_1164.all; VHDL中实体声明: 和高级语言一样,VHDL也要声明,这时有点不同的是,这种声明是用于对外的接口,即输入/输出都在这里声明的。 entityCRC_Unitisport( iBitVal :instd_logic; iClock :instd_logic; iClear :instd_logic; ...
LIBRARY ieee; USE ieee.std_logic_1164.all; ENTITY debounce IS GENERIC( clk_freq : INTEGER := 50_000_000; --system clock frequency in Hz stable_time : INTEGER := 10); --time button must remain stable in ms PORT( clk : IN STD_LOGIC; --input clock ...
library ieee; use ieee.std_logic_1164.all; use ieee.numeric_std.all; entity square_root is generic( WIDTH: positive := 32 ); port( clk: in std_logic; res: in std_logic; ARG: in unsigned (WIDTH - 1 downto 0); Z: out unsigned (WIDTH - 1 downto 0) ...
Synthesiseable IEEE 754 floating point library in Verilog. Provides Divider, Multiplier and Adder Provides float_to_int and int_to_float Supports Denormal Numbers Round-to-nearest (ties to even) Optimised for area Over 100,000,000 test vectors (for each function) ...
library ieee; use ieee.std_logic_1164.all; use ieee.numeric_std.all; -- Generated from Verilog module led_demo (led_demo.v:1) entity led_demo is port ( clk : in std_logic; led : out std_logic; rst_n : in std_logic ); ...