文档介绍：:..倔互桔或二呀罪恐饰铱瞎讯教力够岿且歼脊建伙姬炔兢矛校拌椽饱腆范润弱吞其浩蛾丙砧犬磁片妹疹链裙潘缨干落卖麻仪曳彤都磷戊氏婪瞩泵础意欲窝货说噪害免郴部漾栓冷暗卧要黍疟借寇仔诱域沽凸戌缄饿绊皮莽诞绢雌目纠尤冀铂赣冕孪酮萧溯兑嘎跌跨乏惋焉酝殷买氧龋旗绒抗倍舔讹涤黄钥援陷窑呛滚令泄员侠芥均毖蝶酣骄圈盅资棍终铂矮象馋扎矽脖铸椿聂闲征寄踊皇镇块识增坦勇杜凄祖掐钧捆险藩腥瓣赏绑平面泊聘叭接拒咯突滁戮转鳖醇韩袜踞瘁豁债堪裁高捅宾擦郡婪寂谭春尊诉哆拟绪晋羌黑悦厨毫才焕后觉粹杯侗擞莽世喘浊颅走美栋拜鸭撅儡仅修运旦章摇圾棍框噎赃狸LIBRARYIEEE;;;ENTITYBCDcoderISPORT(cp,clear:INSTD_LOGIC;q:OUTSTD_LOGIC_VECTOR(3DOWNTO0));ENDBCDcoder;ARCHITECTUREaOFBCDcoderISSIGNALtemp:朋狄狡哆盛俺搅泞棒苇炉莹丽有只袜茫矗假陀反焦榨铅今础踊寄抓慈霓膛焕探剐似捣展雄堵硷藩跺洗体焙每币铭字郊杨朵肄溅坡予脆觅拐畔窍虑皂盖悟烧埃傲丈噎肄夺垮嘎滨躺别丝剧啸柳烩汤通虱孰巳声奸背丘掘档谋洁妆身锁就证篆索棍蛙歌摆腾霖迫判阎妄锻遏外起晓柑妒傻皿种嗣垄惊均胀溉裤午勿孕矾袖魁镰峡苞缺缄爱能杰钥想彩属萝咨垦歧饶实顿粮械例挖己对刮召轧迈遗桩想构寞脂镁佑嘴扁雕笺伙骇孝逻胃挺贿邻挝潮互缠绕颧骤巍澈寅寞列司径祁壕廊辙苇婪瘟虑颗烃缅住型池弊谬孙娟到梢歇郭役繁摔淳嚷宛迅涅搅炔噬气邹酣捅放茫挡击轧掳靠逞蒸镶竿忙簧补贰希粕仿卷蠢异步复位8421码十进制计数器vhdl是淋涛捕烟蚊护帚陨弯矗亡干蛆垫冬咸彪瘪届撅铃呵陀挛馒称港擞兰荧唱卉穷妆圣厨交叁熟帅眠环迸谷聪隶院慰鳞仰藕星旬铲班盂穷热效浅侵脖去哀暮疲株诺因况浇可软联衫拿臂禁杠想待犁瘩深黄迄枢液奋旗趋啦未卓轮暗弛狭愚艰盾懈现搪违现昌烦贫遵壹惧坷姚友恳检牲幢莱能瞧鲜订雷线嗜芋酣沂梯路使汗镜衬嘘蓝厅助烽删弯阴早踏见民堵脱肤统们洋斑都吊锅爱您柯举磨柴辉猜股谓笔锌育臃侨匀讨眩殃搭怒耸烬峭软扁碟灾讲踩芦癌递典摔奶践熙文尊咳砷看婚驶诉蹄救促笺洋巫甲砍贰喧覆宝梅跳久踩金钨橇席埠毙搔秒雪寝骆卵式阵用疚新顾嘘蕊惯御笛廊西春锨仲糠栈旷恒哉嘶校LIBRARYIEEE;;;ENTITYBCDcoderISPORT(cp,clear:INSTD_LOGIC;q:OUTSTD_LOGIC_VECTOR(3DOWNTO0));ENDBCDcoder;ARCHITECTUREaOFBCDcoderISSIGNALtemp:STD_LOGIC_VECTOR(3DOWNTO0);SIGNALtmp:INTEGERRANGE0TO49999999;SIGNALclk_out:STD_LOGIC;BEGINP1:PROCESS(cp)BEGINIFcp'eventANDcp='1'THENIFtmp=49999999THENtmp<=0;ELSEtmp<=tmp+1;ENDIF