利用撥碼開關(guān)控制點(diǎn)陣進(jìn)行漢字顯示 [當(dāng)文網(wǎng)提供]

1、中北大學(xué)課程設(shè)計(jì)任務(wù)書學(xué)期學(xué) 院： 電子與計(jì)算機(jī)科學(xué)技術(shù)學(xué)院電子科學(xué)與技術(shù)學(xué) 號(hào)： 專 業(yè)： 學(xué) 生 姓 名：課程設(shè)計(jì)題目： 利用撥碼開關(guān)控制點(diǎn)陣進(jìn)行漢字顯示電子科學(xué)與技術(shù)專業(yè)實(shí)驗(yàn)室任勇峰 起 迄 日 期: 課程設(shè)計(jì)地點(diǎn): 指 導(dǎo) 教 師: 系主任：下達(dá)任務(wù)書日期: 2008年 6月 16日課 程 設(shè) 計(jì) 任 務(wù) 書課 程 設(shè) 計(jì) 任 務(wù) 書系統(tǒng)硬件介紹EDA-V型實(shí)驗(yàn)箱結(jié)構(gòu)組成：系統(tǒng)主要由以下模塊組成： 4位米字型數(shù)碼管顯示模塊 8位8字型數(shù)碼管顯示模塊 矩陣鍵盤輸入模塊 16×16點(diǎn)陣模塊 128×32液晶顯示模塊 iSPPAC適配器接口 CPLD/FPGA適配器接口

2、12位按鍵輸入模塊 18位撥碼開關(guān)輸入模塊 蜂鳴器輸出模塊 電平調(diào)節(jié)模塊 模擬信號(hào)源模塊 話筒輸入模塊 語音輸出模塊 電阻電容擴(kuò)展模塊 自由擴(kuò)展區(qū) 8路A/D轉(zhuǎn)換模塊 D/A轉(zhuǎn)換模塊 串行EEPROM模塊 RS232擴(kuò)展模塊 EEPROM模塊 單片機(jī)及RS232接口模塊 可調(diào)數(shù)字信號(hào)源EDA-V型實(shí)驗(yàn)箱結(jié)構(gòu)框圖如圖Y-3 ：圖Y-3 ：EDA-V型實(shí)驗(yàn)箱結(jié)構(gòu)框圖本設(shè)計(jì)所用各組成模塊介紹1、 16×16點(diǎn)陣模塊接口電路原理圖如圖Y-5所示。列選信號(hào)為SEL0SEL3經(jīng)4-16譯碼器后給L0L15，最右邊為第一列；行選信號(hào)為L0L15，最上方為第一行。表2 點(diǎn)陣顯示接口對(duì)應(yīng)關(guān)系表2、 1

3、8位撥碼開關(guān)輸入模塊開關(guān)撥向下方時(shí)為低電平，撥向上方時(shí)為高電平。輸出口最左邊對(duì)應(yīng)開關(guān)D17，最右邊對(duì)應(yīng)開關(guān)D0。 3、 可調(diào)數(shù)字信號(hào)源時(shí)鐘信號(hào)源可產(chǎn)生從1.2Hz20MHz之間的任意頻率。該電路采用全數(shù)字化設(shè)計(jì)，提供的最高方波頻率為20MHz，最低頻率為1.2Hz，并且頻率可以在這個(gè)范圍辦內(nèi)隨意組合變化。整個(gè)信號(hào)源共有六個(gè)輸出口（CLK0CLK5），每個(gè)輸出口輸出的頻率各不相同，通過JP1JP11這11組跳線來完成設(shè)置的，其中：CLK0輸出口的頻率通過JP7（CLK0）來設(shè)置的，這樣輸出的時(shí)鐘頻率種類為20MHz、10MHz、5MHz、2.5MHz、1.25MHz；CLK1輸出口的頻率通過JP

4、1（F_SEL1）及JP8（CLK1）來設(shè)置，輸出頻率對(duì)應(yīng)的關(guān)系為：FCLK1=20MHz×F_SEL1×CLK1CLK2輸出口的頻率通過JP1（F_SEL1）、JP2（F_SEL2）及JP9（CLK2）來設(shè)置，輸出頻率對(duì)應(yīng)的關(guān)系為：FCLK2=20MHz×F_SEL1×F_SEL2×CLK2 CLK3輸出口的頻率通過JP1（F_SEL1）、JP2（F_SEL2）、JP3（F_SEL3）及JP10（CLK3）來設(shè)置，輸出頻率對(duì)應(yīng)的關(guān)系為：FCLK3=20MHz×F_SEL1×F_SEL2×F_SEL3×C

5、LK3 CLK4輸出口的頻率通過JP1（F_SEL1）、JP2（F_SEL2）、JP3（F_SEL3）、JP4（F_SEL4）及JP11（CLK4）來設(shè)置，輸出頻率對(duì)應(yīng)的關(guān)系為：FCLK4=20MHz×F_SEL1×F_SEL2×F_SEL3×F_SEL4×CLK4 CLK5輸出口的頻率通過JP1（F_SEL1）、JP2（F_SEL2）、JP3（F_SEL3）、JP4（F_SEL4）、JP5（F_SEL5）及JP6（CLK5）來設(shè)置，輸出頻率對(duì)應(yīng)的關(guān)系為：FCLK5=20MHz×F_SEL1×F_SEL2×F_SE

6、L3×F_SEL4×F_SEL4×CLK5比如要得到1.2Hz的信號(hào),短路子的設(shè)置如下:JP1 F_SEL1：1/16JP2 F_SEL2：1/16JP3 F_SEL3：1/16JP4 F_SEL4：1/16JP5 F_SEL5：1/16JP6 F_SEL6：1/16JP7 CLK0： 1.25M信號(hào)輸出CLK5。系統(tǒng)軟件介紹配套軟件：Max+plus II 10.0基礎(chǔ)版 (商業(yè)版見報(bào)價(jià)單及相關(guān)資料說明)1.運(yùn)行環(huán)境 Win95/98/2000 2.層次化設(shè)計(jì) 支持3.原理圖輸入 支持 4.文本輸入 支持5.AHDL輸入 支持 6.VHDL輸入 支持7.原理圖設(shè)

7、計(jì)宏庫 基本庫 8.仿真和時(shí)序分析 支持9.邏輯綜合 支持10. 硬件編程/下載 支持11.支持芯片Max7000全系列（如7000A、7000B、7000E、7000S等）和Max9000系列等Flex6000、8000、10K（如10K系列的10K10、20、30、50、10K100等）、10KE系列等本設(shè)計(jì)系統(tǒng)框圖如下：源程序FENPIN分頻模塊:library ieee;use ieee.std_logic_1164.all;use ieee.std_logic_unsigned.all; entity fenpin isport(clk:in std_logic; clkout:ou

8、t std_logic);end fenpin;architecture chw_arc of fenpin is signal cnt:integer range 0 to 100;beginprocess(clk)begin if clk'event and clk='1' then if cnt<50 then clkout <= '0' else clkout <= '1' end if;cnt <= cnt +1; end if;-end if;end process;end chw_arc;CNTA模塊

9、, 此模塊產(chǎn)生列選擇信號(hào)。 library ieee;use ieee.std_logic_1164.all;use ieee.std_logic_unsigned.all;entity cnta isport(clk:in std_logic; q:out std_logic_vector(0 to 3); end cnta;architecture cnt_arc of cnta isbeginprocess(clk) variable tmp:std_logic_vector(3 downto 0); begin if clk'event and clk='1'

10、then if tmp="1111" then tmp:="0000"elsetmp:=tmp+1;end if;end if;q<=tmp-1;end process;end cnt_arc;CORA1模塊此模塊對(duì)應(yīng)產(chǎn)生列選擇信號(hào)。可以通過撥碼開關(guān)ch2.0控制漢字的顯示，改變撥碼開關(guān)可改變所。library ieee;use ieee.std_logic_1164.all;use ieee.std_logic_unsigned.all;entity cora1 isport(ch:in std_logic_vector(2 downto 0);

11、 sel:in std_logic_vector(0 to 3); q:out std_logic_vector(15 downto 0);end cora1;architecture corn_arc of cora1 isbeginprocess(ch,sel)begin case ch iswhen "000"=>case sel iswhen "0000"=>q<="0000000000000000" -張when "0001"=>q<="00100000100000

12、00"when "0010"=>q<="0110000010000100"when "0011"=>q<="0001000010000110"when "0100"=>q<="0000110010001000"when "0101"=>q<="0010001110010000"when "0110"=>q<="01000000101000

13、00"when "0111"=>q<="1111111111111111"when "1000"=>q<="0100000010000000"when "1001"=>q<="0000000010000000"when "1010"=>q<="0000000000000000"when "1011"=>q<="01111111000111

14、10"when "1100"=>q<="1000000100010010"when "1101"=>q<="0100000100010010"when "1110"=>q<="0000001111110010"when "1111"=>q<="0000000100000010"when others=>null;end case;when "001"=&

15、gt;case sel iswhen "0000"=>q<="0000000000000000" -治 when "0001"=>q<="0000000000000000"when "0010"=>q<="0000000001100000"when "0011"=>q<="1111111000110000"when "0100"=>q<="0100

16、001000101000"when "0101"=>q<="0100001000100000"when "0110"=>q<="0100001001000011"when "0111"=>q<="0100001001001100"when "1000"=>q<="0100001001010000"when "1001"=>q<="1111

17、111001100000"when "1010"=>q<="0000000001000000"when "1011"=>q<="0000000000110000"when "1100"=>q<="0000000111000110"when "1101"=>q<="1111111000000001"when "1110"=>q<="0000

18、010001100000"when "1111"=>q<="0000010000010000"when others=>null;end case;when "010"=>case sel iswhen "0000"=>q<="0000000000000000" -中 when "0001"=>q<="0000000000000000"when "0010"=>q<=

19、"0000000000001000"when "0011"=>q<="0000011111111100"when "0100"=>q<="0000001000001000"when "0101"=>q<="0000001000001000"when "0110"=>q<="0000001000001000"when "0111"=>q<=

20、"0000001000001000"when "1000"=>q<="1111111111111111"when "1001"=>q<="0000001000001000"when "1010"=>q<="0000001000001000"when "1011"=>q<="0000001000001000"when "1100"=>q<=

21、"0000001000001000"when "1101"=>q<="0000011111111100"when "1110"=>q<="0000000000000000"when "1111"=>q<="0000000000000000"when others=>null;end case;when "011"=>case sel iswhen "0000"=>

22、q<="0000000000000000"when "0001"=>q<="0000000000000000"-的when "0010"=>q<="0001111111111000" when "0011"=>q<="0010000000001000" when "0100"=>q<="0100000000001000" when "0101"

23、=>q<="0010011000001000" when "0110"=>q<="0000001100001000" when "0111"=>q<="0000000010001111" when "1000"=>q<="0000000000110000" when "1001"=>q<="0000000001000000" when "1010&

24、quot;=>q<="0011111111111000" when "1011"=>q<="0001000010001000" when "1100"=>q<="0001000010001011" when "1101"=>q<="0001000010001100" when "1110"=>q<="0111111111111000" when "

25、1111"=>q<="0000000000000000" when others=>null;end case;when "100"=>case sel iswhen "0000"=>q<="0000000000000000" when "0001"=>q<="0001000100000000" when "0010"=>q<="0011000101111110" w

26、hen "0011"=>q<="0000100101001010" -課when "0100"=>q<="0000010101001010" when "0101"=>q<="1111111111111110" when "0110"=>q<="0000001101001010" when "0111"=>q<="0000010101001010&

27、quot; when "1000"=>q<="0000100101111110" when "1001"=>q<="0001000100000000" when "1010"=>q<="0010000100000000" when "1011"=>q<="0000100000000000" when "1100"=>q<="000100000000

28、0100" when "1101"=>q<="0011111111101110" when "1110"=>q<="0000000000100001" when "1111"=>q<="0000000000000000" when others=>null;end case;when "101"=>case sel iswhen "0000"=>q<="00

29、00000000000000" when "0001"=>q<="0100000000000000" when "0010"=>q<="0100010010000000" when "0011"=>q<="0100010010111111" when "0100"=>q<="0100010010100001" when "0101"=>q<=&qu

30、ot;0100010010100001" -程when "0110"=>q<="0111111110100001" when "0111"=>q<="0100010010100001" when "1000"=>q<="0100010010111111" when "1001"=>q<="0100010010000000" when "1010"=>q&

31、lt;="0100000100010001" when "1011"=>q<="0000000010010001" when "1100"=>q<="1111111111111110" when "1101"=>q<="0000000011010010" when "1110"=>q<="0000001100010010" when "1111"=&

32、gt;q<="0000010000010000" when others=>null;end case;when "110"=>case sel iswhen "0000"=>q<="0000000000000000" when "0001"=>q<="0100000001000000" when "0010"=>q<="1100000001000000" when "00

33、11"=>q<="0100001111000000" when "0100"=>q<="0010110010111110" when "0101"=>q<="0001000010000010" when "0110"=>q<="0001000010000010" when "0111"=>q<="0010110010111110" -設(shè)when &

34、quot;1000"=>q<="0100001111000000" when "1001"=>q<="0100000001000000" when "1010"=>q<="1000000010000000" when "1011"=>q<="1001000000000000" when "1100"=>q<="0010000000000100" when "1101"=>q<="0111111111001110" when "1110"=>q<="0000000001000001" when "1111"=>q<="0000000001000000" when others=>null;end case;when "111"=>case sel iswhen &