文档介绍:ࣘጱᕮইӥԅӞӻཛྷࣘդᎱᐏֺғդᎱ11moduleand_logic(a,b,c);2inputa,b;3outputc;45assignc=a&b;6endmoduleғཛྷࣘጱᒒݗਧԎҁইդᎱ1ᤈ҂ཛྷٖࣘҁ2-5ᤈ҂̶ړ֛ࣘጱᒒݗਧԎᒒݗٌ҅໒ୗইӥғڊᬌفཛྷࣘጱᒒݗ्กԧཛྷࣘጱᬌդᎱ2moduleཛྷࣘݷ(ݗ1҅ݗ2҅ݗ3҅....)Ҕ1ᬮฎᬌفݩԅᬌמཛྷࣘᒒݗڊกԧཛྷࣘጱᒒݗ҅֕ྌᐿොဩଚӧᚆፗളਧԎ्ܨࣁդᎱ1Ӿ҅ᒫ1ᤈᔄ̶ࣳڊᬌ̵فᒒݗਠෆጱᬌڊݢਧԎܨݢզአইӥӞݙ̶ڊդᎱ31moduleand_logic(2inputa,3inputb,4outputc5);ཛྷࣘݢզᤩٌ՜դᎱአ҅አཛྷࣘํইӥӷᐿොဩғࣁአ҅ટߵೲᆙཛྷࣘਧԎጱᒒݗᶲଧᬳള҅ӧአຽกܻཛྷࣘਧԎᥢਧጱᒒݗֺ҅ইғդᎱ41my_and_logicand_logic(input_a,input_b,output_c);ࣁአአ“.”ᒧݩ҅ຽกܻཛྷࣘฎਧԎᥢਧጱᒒݗݷ̶ᬯጱঅ॒ฎݢզአᒒݗݷӨᤩአཛྷࣘጱᒒݗፘଫ҅ᘒӧӸ໒ೲᒒݗᶲଧଫ҅ṛԧᑕଧጱݢݢᑏ̶ֺ༙ইғդᎱ51my_and_logicand_logic((input_a),(output_c),(input_b)5);ཛྷࣘጱٖמ۱ೡғI/Oٖ᮱ړཛྷࣘጱٖୗ̶I/Oᔄࣳํӣᐿғ҅ړཛྷࣘᒒݗਧԎ᮱فI/O्กইդᎱ1Ӿጱ2̵3ᤈ҅ᧆ्กԞݢݗғinputفᬌݩ਼֖-1:0]ᒒݗݷ1Ҕמ]ก໒ୗғinput्ݩ਼֖ฎ1̶מ҅ἕᦊړݩ਼֖-1:0]”᮱מ]“୮ဌํ्กݗғoutputڊᬌݩ਼֖-1:0]ᒒݗݷ1Ҕמ]ก໒ୗғoutput्ݩ਼֖ฎ1̶מ҅ἕᦊړݩ਼֖-1:0]”᮱מ]“୮ဌํ्กݗғinoutڊᬌ/فᬌݩ਼֖-1:0]ᒒݗݷ1Ҕמ]ก໒ୗғoutput्ݩ਼֖ฎ1̶מ҅ἕᦊړݩ਼֖-1:0]”᮱מ]“ොဩݢզࣁཛྷࣘӾԾኞ᭦ᬋғۑฎ᭦ᬋړཛྷࣘӾ๋᯿ᥝጱ᮱አ“assign”्ก;(አਫֺܻկ҅ইғand#2ul(q,a,“always"ࣘ҅ইդᎱ61always@(posedgeclkorposedgeclr)2begin3if(clr)4q<=0;5elseif(en)6q<=d;7endአ”assign“ݙฎൈᬿᕟݳ᭦ᬋ๋ଉአጱොဩԏӞ̶ᘒ“always”ݙ෬ݢզአԭൈᬿᕟݳ᭦ᬋ҅Ԟݢզൈᬿଧ᭦ᬋ̶හഝᔄٌࣳ݊ଉᰁᤩදݒጱᰁᑍԅଉᰁ҅ଉᥠጱํහਁ݇හࣳଉᰁ̶B҂ګԫᬰෆහҁdD҂ګᬰ܈ෆහҁhH҂ګᬰم܈ෆහҁoO҂ګᬰكᕚښӥےݢզႲ҅ײහਁ>҅ই8'b11110000̶୮හਁᬦᳩጱ><ګᤒᬡොୗғ<਼֖>'<ᬰݢ̶ই8'b1111_0000̶ےහਁ҅զीۆړx”zᬮํӞᐿᤒᬡොୗฎݢզٟ֢“Ҙ̶zդᤒṛᴥ҅හਁኪ᪠Ӿ҅xդᤒӧਧහ֖҅֗හᒫ2֖ԅӧਧګb10x0//਼֖ԅ4ጱԫᬰ'4හ֖҅֗හᒫ1֖ԅṛᴥګb101z//਼֖ԅ4ጱԫᬰ‘4ҁᒫ1ᐿᤒᬡොୗ҂ԅṛᴥහٌ҅ګᬰ܈dz//਼֖ԅ12ጱ’12(ҁᒫ1ᐿᤒᬡොୗԅṛᴥහٌ҅ګᬰ܈dҘ//਼֖ԅ12ጱ‘12හٌ҅ᒫࢥ֖ԅӧਧګᬰم܈h4x//਼֖ԅ8ጱ'-8’d5ٺӞӻےڹහਁݢզᤩਧԎԅᨮහ҅ݝᵱᥝࣁ਼֖ᤒᬡୗ᬴ᳵݒᰁ਼ଶ̶ࣁդᎱ๋قአ“parameter”ਧԎ݇හࣳଉᰁ҅ᧆଉᰁଉአਧԎֵጱय़ੜ̶ᬯࣁᑏ༙դᎱԏݸݙӾݢአᧆݒᰁդᤒᕳٌᩙጱ҅ᶎਧԎᧆ݇හࣳݒᰁଚᕳٌᩙڹԧդᎱጱݢᑏ̶༙ے҅ीդᎱ71parameterWIDTH=32;2reg[WIDTH-1:0]bus1;ࣁverilogӾ๋ଉአጱํwireࣳݒᰁregࣳݒᰁ̶ࣘӾᬌמᲫਁਧጱᕟݳ᭦ᬋىwireࣳහഝଉአᤒᐏአզassignկጱᬌزԞݢզአ֢“assign”ݙਫֺ҅فݩݢզአ֢ձ֜ොᑕୗጱᬌמࣳἕᦊԅwire̶ࣳwireࣳਧԎ໒ୗইӥғ̶ڊ1wire[n-1:0]name_1,name_2,name_3,...name_i;ੀਂݢզදݒੀਂਂؙ᭗ᬦᩙ҅زܔregࣳහഝԅੀਂහഝᔄࣳ҅ੀਂฎහഝਂؙጱು୮Ӟӻregࣳහ֕҅Ԟ