VHDL编程求助：the following signal(s) form a combinatorial loop这是我的代码：目的是让数码管按照a>ab>b>bc>c>cd>d>de>e>ef>f>fa 循环发亮.library IEEE;use IEEE.STD_LOGIC_1164.ALL,IEEE.numeric_std.all;use IEEE.STD_LOGIC_ARITH.ALL;

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VHDL编程求助：the following signal(s) form a combinatorial loop这是我的代码：目的是让数码管按照a>ab>b>bc>c>cd>d>de>e>ef>f>fa 循环发亮.library IEEE;use IEEE.STD_LOGIC_1164.ALL,IEEE.numeric_std.all;use IEEE.STD_LOGIC_ARITH.ALL;
VHDL编程求助：the following signal(s) form a combinatorial loop
这是我的代码：目的是让数码管按照a>ab>b>bc>c>cd>d>de>e>ef>f>fa 循环发亮.
library IEEE;
use IEEE.STD_LOGIC_1164.ALL,IEEE.numeric_std.all;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;
entity first is
port( clk:in std_logic;
\x05\x05stop:in std_logic;
\x05\x05dout:out std_logic_vector(5 downto 0));\x05\x05
end first;
architecture Behavioral of first is
\x05constant clk_freq :integer := 50000000;
\x05constant scan_clk_freq :integer := 1000;
\x05constant clk_divisor :integer :=clk_freq/scan_clk_freq ;
\x05signal state:std_logic_vector(3 downto 0):="0001";
\x05signal scan_clk :std_logic;
\x05signal n1_clk :std_logic;
\x05signal n2_clk :std_logic;
\x05
\x05begin
\x05
\x05pro1 :process(clk) is
\x05variable count :natural range 0 to clk_divisor -1;
\x05 begin
\x05\x05if rising_edge(clk) then
\x05\x05\x05if count =clk_divisor - 1 then
\x05\x05\x05\x05count :=0;
\x05\x05\x05\x05scan_clk

VHDL编程求助：the following signal(s) form a combinatorial loop这是我的代码：目的是让数码管按照a>ab>b>bc>c>cd>d>de>e>ef>f>fa 循环发亮.library IEEE;use IEEE.STD_LOGIC_1164.ALL,IEEE.numeric_std.all;use IEEE.STD_LOGIC_ARITH.ALL;
提示那些信号是组合逻辑生成的,没有时钟驱动.
组合逻辑对点评敏感,这样写,问题很大.给pro3和pro4加上时钟.
其实你这pro3和pro4就是很明显的两端的状态机,好好看看书去吧.

VHDL编程求助：the following signal(s) form a combinatorial loop这是我的代码：目的是让数码管按照a>ab>b>bc>c>cd>d>de>e>ef>f>fa 循环发亮.library IEEE;use IEEE.STD_LOGIC_1164.ALL,IEEE.numeric_std.all;use IEEE.STD_LOGIC_ARITH.ALL; can't infer register for ENx because it changes value on both rising and falling edges of the clock在VHDL语言编程时出现这样的错误 the tcl command that was executed to submit your run failed with the followi 求助英语的功课这是模板.希望修改下面的段落.只要大致上意思相同就行了.应为不能使用原文谢12Thank you for the new season’s catalogue.We quite like your new season’s collection.We would like to place the followi Directions:For this part,you are supposed to write a letter of 100-120 words based on the followi 请问VHDL语言都可以给CPLD和FPGA编程么,CPLD和FPGA哪个用的广? EDA用什么软件?主要是编程的吧,VHDL吧…我是初学者,哪种较易上手啊? VHDL程序错误 Error (10482):VHDL error at washtop.vhd(33):object o is used but not declared求助library ieee;use ieee.std_logic_1164.all;use ieee.std_logic_unsigned.all;entity washerTop isport(load,start,clk :in std_logic;k :in std_logic_vector 英语翻译这是maxplusⅡ中vhdl语言程序中检查之后出现的一句话,我所有的编程都正确,可是却都出现这句话, 英语翻译As usual,allresearchers directly calculate Granger causality based on thetwo estimated Model (1) and Model (2) for two given timeseries and do not check re-estimation problem of realizationsof the estimated Model (2) at all.In the followi VHDL中( A vhdl中tsr VHDL 语言 q vhdl中range是什么意思编程, 英语翻译RT最好把下面一段也翻译:Quality controls at sub-vendor plant will be witnessed by Contractor and by Vendor,following the same requirements and procedures defined for others inspections at vendor’s workshops and strictly followi 英语翻译内容如下基于VHDL语言对银行自动取款机的设计和实现摘要：ATM自动取款机作为一种日常工具,是银行系统的重要组成部分.本此设计的目的,是通过使用VHDL硬件语言,设计者进行编程来急求eda课程设计一份:脉冲信号发生器的设计脉冲信号发生器的设计要用vhdl语言编程只要大概的思路与程序的大体框架即可当然全面了更好