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

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can''tinferregisterforENxbecauseitchangesvalueonbothrisingandfallingedgesoftheclock在VHDL语言编程时出现这样的错误c

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
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

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
你检查下代码,信号量ENx是不是一直在变化?类似于你这样写代码:
process(clk,reset)
begin
if reset = '0' then
ENx <= '0';
elsif rising_edge(clk) then
ENx <= '1';
else
ENx <= '0';
end if;
end process;
对于上面的代码,编译器认为ENx信号在clk的上升沿和下降沿都在变化,是不允许的.你可以将else中的语句拿掉即可(会产生锁存器).如果不希望产生锁存器的话,需要在elsif中加其他清除代码,注意不能再else中加.

我觉得…应该放在具体的语境中分析吧…因为see可以和动词原型和动名词连用,然后,如果是看到了日出的全过程,或者说是刻意地去看日出,就用动词原型,如果

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 Error (10818):vhdl Error (10818):Can't infer register for a0[0] at shiftreg.vhd(96) because it does not hold its value outside the clock edgePROCESS(clk_in,clk_5)BEGINIF clk_5'EVENT AND clk_5='1' THENa16 You can't connect before register an available network. I strongly believe that try my best to do myself well.I can.Don't felt infer中文什么意思 What can be infer from the passage是什么意思 what can we infer from first three paragraphs什么意思 register register What can we infer from the last paragraph 和 What can we infer from the last two paragraph but one in the passage 这俩句话有什么区别 60秒内 What can we infer from the last paragraph 和 What can we infer from the last two paragraphs but o What can we infer from the Paragraph为什么选bc为什么不对 英语翻译The professor’s name didn’t register with the students.重点解释register这个词. From the passage we can ________ that this disease can be cured.A.insultB .inspireC .refuseD .infer并请翻译, 请问We can infer from the passage that Chinese English may bring inconvenience in America 怎么译? 问一道SAT阅读词汇题 ,是2010.5 的Science says one should draw in this kind of circumstance:if one's theory can't predict anything,one should try something else.这句话中的“draw”什么意思?答案是infer ,为什么? M:Yesterday's party is wonderful.You should have come.W:Well,I was going to,but I had an expected visitor.Q:What can you infer from the conversation?A.She didn't want to attend the party.B.She went to attend the party.C.she would like to go to the pa 你能重新注册一个帐号吗?Can you afresh register a new account?不加 afresh 强调重新..或者这样行吗:Can you afresh register a account? When you meet new words while reading,you can _____ your dictionary.A.look up B.refer to C.look into D.infer from Register:Principal