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VHDL:Tri-State Buses download from: http://www.fpga.com.cn prebus.vhd LIBRARY IEEE; USE ieee.std_logic_1164.ALL; ENTITY prebus IS PORT( my_in : IN STD_LOGIC_VECTOR(7 D

-- Multiplexer 16-to-4 using if-then-elsif-else Statement -- download from www.pld.com.cn & www.fpga.com.cn library ieee; use ieee.std_logic_1164.all; entity mux is port( a, b, c, d:

Release 7.1.01i Map H.39 Xilinx Mapping Report File for Design 'digital_voltmeter' Design Information ------------------ Command Line : E:/Program/EDA/Xilinx/bin/nt/map.exe -ise e:\demo_fpga\DEMO_

-- Multiplexer 16-to-4 using if-then-elsif-else Statement -- download from www.pld.com.cn & www.fpga.com.cn library ieee; use ieee.std_logic_1164.all; entity mux is port( a, b, c, d:

VHDL:Tri-State Buses download from: http://www.fpga.com.cn prebus.vhd LIBRARY IEEE; USE ieee.std_logic_1164.ALL; ENTITY prebus IS PORT( my_in : IN STD_LOGIC_VECTOR(7 D

// Example of I2C slave // 8-bits IO extender controlled from I2C // (c) 2005, 2008 fpga4fun.com, KNJN LLC // Please define one of these before starting synthesis //`define Xilinx //`define A

-- n-Bit Synchronous Counter -- dowload from: www.fpga.com.cn & www.pld.com.cn LIBRARY ieee; USE ieee.Std_logic_1164.ALL; USE ieee.Std_logic_unsigned.ALL; ENTITY cntrnbit IS GENERIC(

-- Multiplexer 16-to-4 using if-then-elsif-else Statement -- download from www.pld.com.cn & www.fpga.com.cn library ieee; use ieee.std_logic_1164.all; entity mux is port( a, b, c, d:

-- Multiplexer 16-to-4 using if-then-elsif-else Statement -- download from www.pld.com.cn & www.fpga.com.cn library ieee; use ieee.std_logic_1164.all; entity mux is port( a, b, c, d:

-- Multiplexer 16-to-4 using if-then-elsif-else Statement -- download from www.pld.com.cn & www.fpga.com.cn library ieee; use ieee.std_logic_1164.all; entity mux is port( a, b, c, d: