实验八计数器设计(可编程实验)

1、when "0010" => ohigh <= "1101101" when "0011" => ohigh <= "1111001"when "0100" => ohigh <= "0110011"when "0101" => ohigh <= "1011011"when "0110" => ohigh <= "1011111"when

2、 "0111" => ohigh <= "1110000"when "1000" => ohigh <= "1111111" when "1001" => ohigh <= "1111011"when others => ohigh <= "ZZZZZZZ" end case;end process;CO <= CO_temp;end;启动波形图编译器；时间分析图利用真值表验证所设电路的逻辑功能；经过验

3、证保存仿真原理图。模为24的计数器（一） 采用原理图设计模为24的计数器（1）启动MAX+plusII软件；（2）创建一个新工程；（3）原理图编辑；编辑原理图，如下（4）保存、编译原理图；（5）启动波形图编译器；设计End time为1.0us， Grid Size为50.0ns。结果如下：（6）时间分析图（7）利用真值表验证所设电路的逻辑功能；（8）经过验证保存仿真原理图。（二）采用文本文档设计模为24的计数器启动文本编译器；编译 VHDL语言程序为Library ieee;Use ieee.std_logic_1164.all;use ieee.std_logic_unsigned.all

4、;Entity mo48cx isPort(CLK:in std_logic;ohigh,olow:out std_logic_vector(6 downto 0;CO :out std_logic;End;Architecture rtl of mo48cx issignal h_temp,l_temp:std_logic_vector(3 downto 0:="0000"signal CO_temp : std_logic;begin process(CLKbeginCO_temp <= h_temp(2 and l_temp(2 and l_temp(1 and

5、 l_temp(0; if(CLK'event and CLK = '1'thenif(h_temp = "0100" and l_temp = "0111" thenh_temp <= "0000"l_temp <= "0000"elsif(l_temp = "1001"thenh_temp <= h_temp+1;l_temp <= "0000"elsel_temp <= l_temp+1;end if;end if;

6、end process;process(l_temp begincase l_temp iswhen "0000" => olow <= "1111110"when "0001" => olow <= "0110000"when "0010" => olow <= "1101101"when "0011" => olow <= "1111001"when "0100"

7、=> olow <= "0110011"when "0101" => olow <= "1011011"when "0110" => olow <= "1011111"when "0111" => olow <= "1110000"when "1000" => olow <= "1111111" when "1001" => olo

8、w <= "1111011"when others => olow <= "ZZZZZZZ" end case;end process;process(h_temp begincase h_temp iswhen "0000" => ohigh <= "1111110"when "0001" => ohigh <= "0110000"when "0010" => ohigh <= "11011

9、01"when "0011" => ohigh <= "1111001"when "0100" => ohigh <= "0110011"when "0101" => ohigh <= "1011011"when "0110" => ohigh <= "1011111"when "0111" => ohigh <= "1110000&qu

10、ot;when "1000" => ohigh <= "1111111" when "1001" => ohigh <= "1111011"when others => ohigh <= "ZZZZZZZ" end case;end process;CO <= CO_temp;end;启动波形图编译器；时间分析图利用真值表验证所设电路的逻辑功能；中联科技园社区2011年预防青少年违法犯罪工作计划    为深入贯彻落实两法一条

11、例，进一步加强预防未成年人犯罪教育工作，为广大未成年人的健康成长营造良好的社会环境，增强未成年人的法制观念和自我保护能力，努力消除危害未成年人身心健康的不良因素，切实维护未成年人的合法权益，大力营造有利于未成年人健康成长的良好社会环境。特制定本社区2011年预防青少年违法犯罪教育工作计划：一、      建立健全组织机构和制度社区实际情况，成立以居委会主任、驻段民警、老干部和热心青少年成长的社区骨干参加的预防青少年违法犯罪工作小组，明确工作职责，完善工作机制，以加强对预防工作的领导，构建预防未成年人违法犯罪长效工作机制，形成了具有本社区特点的预

12、防工作格局。二、      发挥社区主渠道作用，加强对未成人的法制教育when "0001" => olow <= "0110000"三、    when "0011" => olow <= "1111001"营造适合未成年人健康成长环境氛围 when "0101" => olow <= "1011011"充分发挥社区活动室的作用开展有意义的

13、文体活动。紧紧围绕未成年人的实际需要，组织未成年人开展形式多样的有利于未成年人健康成长活动，鼓励和支持社区未成年人参加社区举办的各项活动。配合有关部门办好以青少年为重点的文体活动。组织开展游泳、足球、乒乓球、象棋、围棋等群体活动，提高未成年人的身体健康素质。不断深化when "0110" => olow <= "1011111"创建学习型家庭when "0111" => olow <= "1110000"为内容的文化活动，为广大社区未成年人成长教育提供良好的文化产品和文化服务。when "1000" => olow <= "1111111"  when "1001" => olow <= "1111011"when others => olow <= "ZZZZZZZ" end case;社区end process;process(h_temp 0begin年case h_temp is四月十日when "0001" => ohigh <= &quo