日韩欧美国产极速不卡一区,国产手机视频在线观看尤物,国产亚洲欧美日韩蜜芽一区,亚洲精品国产免费,亚洲二区三区无码中文,A大片亚洲AV无码一区二区三区,日韩国语国产无码123

鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

DS1302鑺墖
闁辫畝锛�4778鏅傞枔锛�2017-12-11 09:50:34

DS1302鑺墖鏄編鍦婦ALLAS鍏徃鎺ㄥ嚭涓�娆捐姱鐗囷紝鍏锋湁娑撶窗(x矛)闆绘祦鍏呴浕鑳藉姏鐨勪綆鍔熻�楀鏅傛檪閻橀浕璺疍S1302鐨勭祼(ji茅)妲�(g貌u)锛屽伐浣滃師鐞嗗強鍏跺湪瀵︽檪椤ず鏅傞枔涓殑鎳�(y墨ng)鐢ㄣ�傚畠鍙互灏嶅勾銆佹湀銆佹棩銆佸懆鏃�銆佹檪銆佸垎銆佺閫�(j矛n)琛岃▓鏅�锛屼笖鍏锋湁闁忓勾瑁滃劅?sh霉)姒峰柧N鍔熻兘銆�

ic鑺墖

鍔熻兘绲�(ji茅)妲�(g貌u)

銆�銆�DS1302鐨勫紩鑵虫帓鍒�,鍏朵腑Vcc1鐐哄悗鍌欓浕婧�锛孷CC2鐐轰富闆绘簮銆傚湪涓婚浕婧愰棞(gu膩n)闁夌殑鎯呮硜涓�锛屼篃鑳戒繚鎸佹檪閻樼殑閫ｇ簩(x霉)閬嬭銆侱S1302鐢盫cc1鎴朧cc2鍏╄�呬腑鐨勮純澶ц�呬緵闆�銆傜暥(d膩ng)Vcc2澶т簬Vcc1锛�0.2V鏅�锛孷cc2绲S1302渚涢浕銆傜暥(d膩ng)Vcc2灏忎簬Vcc1鏅�锛孌S1302鐢盫cc1渚涢浕銆�
銆�銆�X1鍜孹2鏄尟钑╂簮锛屽鎺�32.768kHz鏅舵尟銆俁ST鏄京(f霉)浣�/鐗囬伕绶�锛岄�氶亷鎶奟ST杓稿叆椹�(q奴)鍕曠疆楂橀浕骞充締鍟熷嫊鎵�鏈夌殑鏁�(sh霉)鎿�(j霉)鍌抽�併�俁ST杓稿叆鏈夊叐绋姛鑳斤細棣栧厛锛孯ST鎺ラ�氭帶鍒堕倧杓�锛屽厑瑷卞湴鍧�/鍛戒护搴忓垪閫佸叆绉讳綅瀵勫瓨鍣�锛涘叾娆★紝RST鎻愪緵绲傛鍠瓧绡�(ji茅)鎴栧瀛楃瘈(ji茅)鏁�(sh霉)鎿�(j霉)鐨勫偝閫佹墜娈�銆傜暥(d膩ng)RST鐐洪珮闆诲钩鏅傦紝鎵�鏈夌殑鏁�(sh霉)鎿�(j霉)鍌抽�佽鍒濆鍖�锛屽厑瑷卞皪DS1302閫�(j矛n)琛屾搷浣溿�傚鏋滃湪鍌抽�侀亷绋嬩腑RST缃偤浣庨浕骞�锛屽墖鏈冪祩姝㈡娆℃暩(sh霉)鎿�(j霉)鍌抽��锛孖/O寮曡叧璁�?y艒u)妤﹀挦閽丅(t脿i)銆備笂闆婚亱琛屾檪锛屽湪Vcc鈮�2.5V涔嬪墠锛孯ST蹇呴爤淇濇寔浣庨浕骞�銆傚彧鏈夊湪SCLK鐐轰綆闆诲钩鏅�锛屾墠鑳藉皣RST缃偤楂橀浕骞�銆�
銆�銆�I/O鐐轰覆琛屾暩(sh霉)鎿�(j霉)杓稿叆杓稿嚭绔�(闆欏悜)锛屽悗闈㈡湁瑭崇窗(x矛)瑾槑銆�
銆�銆�SCLK鐐烘檪閻樿几鍏ョ銆�

鎺у埗瀛楃瘈(ji茅)

銆�銆�鎺у埗瀛楃瘈(ji茅)鐨勬湁鏁堜綅(浣�7)蹇呴爤鏄倧杓�1锛屽鏋滃畠鐐�0锛屽墖涓嶈兘鎶婃暩(sh霉)鎿�(j霉)瀵叆DS1302涓�锛屼綅6濡傛灉鐐�0锛屽墖琛ㄧず瀛樺彇鏃ユ鏅傞悩鏁�(sh霉)鎿�(j霉)锛岀偤1琛ㄧず瀛樺彇RAM鏁�(sh霉)鎿�(j霉);浣�5鑷充綅1鎸囩ず鎿嶄綔鍠厓鐨勫湴鍧�;鏈夋晥浣�(浣�0)濡傜偤0琛ㄧず瑕侀��(j矛n)琛屽鎿嶄綔锛岀偤1琛ㄧず閫�(j矛n)琛岃畝鎿嶄綔锛屾帶鍒跺瓧绡�(ji茅)绺芥槸寰炰綅闁嬪杓稿嚭銆�
銆�銆�鍦ㄦ帶鍒舵寚浠ゅ瓧杓稿叆鍚庣殑涓嬩竴鍊婼CLK鏅傞悩鐨勪笂鍗囨部鏅�锛屾暩(sh霉)鎿�(j霉)琚鍏S1302锛屾暩(sh霉)鎿�(j霉)杓稿叆寰炰綆浣嶅嵆浣�0闁嬪銆傚悓妯�锛屽湪绶婅窡8浣嶇殑鎺у埗鎸囦护瀛楀悗鐨勪笅涓�鍊婼CLK鑴堟矕鐨勪笅闄嶆部璁�鍑篋S1302鐨勬暩(sh霉)鎿�(j霉)锛岃畝鍑烘暩(sh霉)鎿�(j霉)鏅傚緸浣庝綅0浣嶅埌楂樹綅7銆�

瀵勫瓨鍣�

銆�銆�DS1302鏈�12鍊嬪瘎瀛樺櫒锛屽叾涓湁7鍊嬪瘎瀛樺櫒鑸囨棩姝�銆佹檪閻樼浉闂�(gu膩n)锛屽瓨鏀剧殑鏁�(sh霉)鎿�(j霉)浣嶇偤BCD纰煎舰寮�
銆�銆�姝ゅ锛孌S1302 閭勬湁骞翠唤瀵勫瓨鍣�銆佹帶鍒跺瘎瀛樺櫒銆佸厖闆诲瘎瀛樺櫒銆佹檪閻樼獊鐧�(f膩)瀵勫瓨鍣ㄥ強鑸嘡AM鐩搁棞(gu膩n)鐨勫瘎瀛樺櫒绛夈�傛檪閻樼獊鐧�(f膩)瀵勫瓨鍣ㄥ彲涓�娆℃�ч爢搴忚畝瀵櫎鍏呴浕瀵勫瓨鍣ㄥ鐨勬墍鏈夊瘎瀛樺櫒鍏�(n猫i)瀹�銆� DS1302鑸嘡AM鐩搁棞(gu膩n)鐨勫瘎瀛樺櫒鍒嗙偤鍏╅锛氫竴椤炴槸鍠�婻AM鍠厓锛屽叡31鍊�锛屾瘡鍊嬪柈鍏冪祫鎱�(t脿i)鐐轰竴鍊�8浣嶇殑瀛楃瘈(ji茅)锛屽叾鍛戒护鎺у埗瀛楃偤C0H锝瀎dh锛屽叾涓鏁�(sh霉)鐐鸿畝鎿嶄綔锛屽伓鏁�(sh霉)鐐哄鎿嶄綔锛涘彟涓�椤炵偤绐佺櫦(f膩)鏂瑰紡涓嬬殑RAM瀵勫瓨鍣�锛屾鏂瑰紡涓嬪彲涓�娆℃�ц畝瀵墍鏈夌殑RAM鐨�31鍊嬪瓧绡�(ji茅)锛屽懡浠ゆ帶鍒跺瓧鐐篎EH(瀵�)銆丗FH(璁�)銆�
銆�銆�鐐轰簡瀵︾従(xi脿n)绯荤当(t菕ng)鍫辫瑷堟檪绛夊姛鑳�锛屾瑷�(sh猫)瑷堥噰鐢ㄤ簡DS302瀵︽檪鏅傞悩鑺墖銆侱S1302 鏄編鍦婦ALLAS鍏徃鎺ㄥ嚭鐨勪竴绋珮鎬ц兘銆佷綆鍔熻��銆佸付RAM鐨勫鏅傛檪閻橀浕璺�锛屽畠鍙互灏嶅勾銆佹湀銆佹棩銆佸懆鏃�銆佹檪銆佸垎銆佺閫�(j矛n)琛岃▓鏅�锛屽叿鏈夐枏骞磋鍎熷姛鑳斤紝宸ヤ綔闆诲鐐�2.5V锝�5.5V銆傞噰鐢ㄤ笁绶氭帴鍙ｈ垏CPU閫�(j矛n)琛屽悓姝ラ�氫俊锛屽苟鍙噰鐢ㄧ獊鐧�(f膩)鏂瑰紡涓�娆″偝閫佸鍊嬪瓧绡�(ji茅)鐨勬檪閻樹俊铏熸垨RAM鏁�(sh霉)鎿�(j霉)銆侱S1302鍏�(n猫i)閮ㄦ湁涓�鍊�31脳8鐨勭敤浜庤嚚鏅傛�у瓨鏀炬暩(sh霉)鎿�(j霉)鐨凴AM瀵勫瓨鍣�銆侱S1302鏄疍S1202鐨勫崌绱氱敘(ch菐n)鍝侊紝鑸嘍S1202鍏煎锛屼絾澧炲姞浜嗕富闆绘簮/鍚庤儗闆绘簮闆欓浕婧愬紩鑵�锛屽悓鏅傛彁渚涗簡灏嶅悗鑳岄浕婧愰��(j矛n)琛屾稉绱�(x矛)闆绘祦鍏呴浕鐨勮兘鍔涖�� 2.1 寮曡叧鍔熻兘鍙婄祼(ji茅)妲�(g貌u) DS1302鐨勫紩鑵虫帓鍒�,鍏朵腑Vcc1鐐哄悗鍌欓浕婧�锛孷CC2鐐轰富闆绘簮銆傚湪涓婚浕婧愰棞(gu膩n)闁夌殑鎯呮硜涓�锛屼篃鑳戒繚鎸佹檪閻樼殑閫ｇ簩(x霉)閬嬭銆侱S1302鐢盫cc1鎴朧cc2鍏╄�呬腑鐨勮純澶ц�呬緵闆�銆傜暥(d膩ng)Vcc2澶т簬Vcc1锛�0.2V鏅傦紝Vcc2绲S1302渚涢浕銆傜暥(d膩ng)Vcc2灏忎簬Vcc1鏅�锛孌S1302鐢盫cc1渚涢浕銆俋1鍜孹2鏄尟钑╂簮锛屽鎺�32.768kHz鏅舵尟銆俁ST鏄京(f霉)浣�/鐗囬伕绶�锛岄�氶亷鎶奟ST杓稿叆椹�(q奴)鍕曠疆楂橀浕骞充締鍟熷嫊鎵�鏈夌殑鏁�(sh霉)鎿�(j霉)鍌抽�併�俁ST杓稿叆鏈夊叐绋姛鑳斤細棣栧厛锛孯ST鎺ラ�氭帶鍒堕倧杓�锛屽厑瑷卞湴鍧�/鍛戒护搴忓垪閫佸叆绉讳綅瀵勫瓨鍣�锛涘叾娆�锛孯ST鎻愪緵绲傛鍠瓧绡�(ji茅)鎴栧瀛楃瘈(ji茅)鏁�(sh霉)鎿�(j霉)鐨勫偝閫佹墜娈�銆傜暥(d膩ng)RST鐐洪珮闆诲钩鏅�锛屾墍鏈夌殑鏁�(sh霉)鎿�(j霉)鍌抽�佽鍒濆鍖�锛屽厑瑷卞皪DS1302閫�(j矛n)琛屾搷浣�銆傚鏋滃湪鍌抽�侀亷绋嬩腑RST缃偤浣庨浕骞�锛屽墖鏈冪祩姝㈡娆℃暩(sh霉)鎿�(j霉)鍌抽��锛孖/O寮曡叧璁�?y艒u)妤﹀挦閽丅(t脿i)銆備笂闆婚亱琛屾檪锛屽湪Vcc鈮�2.5V涔嬪墠锛孯ST蹇呴爤淇濇寔浣庨浕骞�銆傚彧鏈夊湪SCLK鐐轰綆闆诲钩鏅傦紝鎵嶈兘灏嘡ST缃偤楂橀浕骞�銆侷/O鐐轰覆琛屾暩(sh霉)鎿�(j霉)杓稿叆杓稿嚭绔�(闆欏悜)锛屽悗闈㈡湁瑭崇窗(x矛)瑾槑銆係CLK濮嬬祩鏄几鍏ョ銆�

閫ｆ帴

銆�銆�瀵﹂殯涓�锛屽湪瑾�(di脿o)瑭︾▼搴忔檪鍙互涓嶅姞闆诲鍣�锛屽彧鍔犱竴鍊�32.768kHz 鐨勬櫠鎸嵆鍙�傚彧鏄伕鎿囨櫠鎸檪锛屼笉鍚岀殑鏅舵尟锛岃宸篃杓冨ぇ銆傚彟澶�锛岄倓鍙互鍦ㄤ笂闈㈢殑闆昏矾涓姞鍏S18B20锛屽悓鏅傞’绀哄鏅傛韩搴�銆傚彧瑕佸崰鐢–PU涓�鍊嬪彛绶氬嵆鍙�� LCD閭勫彲浠ユ彌鎴怢ED锛岄倓鍙互浣跨敤鍖椾含琛�(w猫i)淇℃澃绉戞妧鐧�(f膩)灞曟湁闄愬叕鍙哥敓鐢�(ch菐n)鐨�10浣嶅鍔熻兘8娈垫恫鏅堕’绀烘ā濉奓CM101锛屽収(n猫i)鍚湅闁�鐙�(WDT)/鏅傞悩鐧�(f膩)鐢熷櫒鍙婂叐绋牷鐜囩殑铚傞炒鍣ㄩ﹨(q奴)鍕曢浕璺紝骞舵湁鍏�(n猫i)缃’绀篟AM锛屽彲椤ず浠绘剰瀛楁绛嗗妰锛屽叿鏈�3锛�4绶氫覆琛屾帴鍙�锛屽彲鑸囦换浣曞柈鐗囨銆両C鎺ュ彛銆傚姛鑰椾綆锛岄’绀虹媭鎱�(t脿i)鏅傞浕娴佺偤2渭A (鍏稿瀷鍊�)锛岀渷闆绘ā寮忔檪灏忎簬1渭A锛屽伐浣滈浕澹撶偤2.4V锝�3.3V锛岄’绀烘竻鏅般��

缍韩闆诲瓙閫�锛岄浕瀛愮煡璀�锛屼竴鏌ョ櫨閫氾紒

宸叉敹閷勮姊�161831鍊�