国产在线中文字幕亚洲,一区视频国产精品观看,欧美日韩国产高清片,久久久久久AV无码免费网站,亚洲无码一二三四五区,日韩无码www.,sese444

鎮ㄥソ锛屾杩庝締鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

FRAM瀛樺劜(ch菙)鍣�
闁辫畝锛�6948鏅�(sh铆)闁擄細2011-01-10 16:58:47

銆�銆�FRAM鏄敱缇庡湅(gu贸) Ramtron鍏徃鐢熺敘(ch菐n)鐨勯潪鏄撳け鎬ч惖闆讳粙璩�(zh矛)璁�瀵瓨鍎�(ch菙)鍣ㄣ�� 鍏舵牳蹇冩妧琛�(sh霉)鏄惖闆绘櫠楂旀潗鏂�锛岄�欎竴鐗规畩鏉愭枡浣垮緱閻甸浕瀛樿帛鐢�(ch菐n)鍝佸悓鏅�(sh铆)鎿佹湁闅ㄦ(j墨)瀛樺劜(ch菙)鍣�(RAM) 鍜岄潪鏄撳け鎬у瓨鍎�(ch菙)鍣ㄧ殑鐗规�с��

鍩烘湰鍘熺悊

銆�銆�閻甸浕鏅堕珨鏉愭枡鐨勫伐浣滃師鐞嗘槸: 鐣�(d膩ng)鎴戝�戞妸闆诲牬(ch菐ng)鍔犺級鍒伴惖闆绘櫠楂旀潗鏂欎笂锛屾櫠闄ｄ腑鐨勪腑蹇冨師瀛愭渻(hu矛)娌胯憲闆诲牬(ch菐ng)鏂瑰悜閬�(y霉n)鍕�(d貌ng)锛屽埌閬�(d谩)绌�(w臎n)瀹氱媭鎱�(t脿i)銆傛櫠闄ｄ腑鐨勬瘡鍊�(g猫)鑷敱娴嫊(d貌ng)鐨勪腑蹇冨師瀛愬彧鏈夊叐鍊�(g猫)绌�(w臎n)瀹氱媭鎱�(t脿i)锛屼竴鍊�(g猫)鎴戝�戣浣滈倧杓� 0锛屽彟涓�鍊�(g猫)瑷樹綔閭忚集 1銆備腑蹇冨師瀛愯兘鍦ㄥ父婧箲娌掓湁闆诲牬(ch菐ng)鐨勬儏娉佷笅鍋滅暀鍦ㄦ鐙�鎱�(t脿i)閬�(d谩)涓�鐧惧勾浠ヤ笂銆� 鐢变簬鍦ㄦ暣鍊�(g猫)鐗╃悊閬庣▼涓矑鏈変换浣曞師瀛愮鎾�锛岄惖闆诲瓨鍎�(ch菙)鍣�(FRAM)鎿佹湁楂橀�熻畝瀵�锛岃秴浣庡姛鑰楀拰鐒￠檺娆″鍏ョ瓑鐗规��銆�

鐗归粸(di菐n)鍙婃噳(y墨ng)鐢�

銆�銆�鈼� 閲囩敤2048脳8浣嶅瓨鍎�(ch菙)绲�(ji茅)妲�(g貌u)锛�

銆�銆�鈼� 璁�瀵鏁�(sh霉)楂橀仈(d谩)1鐧惧剟娆★紱

銆�銆�鈼� 鍦ㄦ韩搴︾偤55鈩冩檪(sh铆)锛�10骞存暩(sh霉)鎿�(j霉)淇濆瓨鑳藉姏锛�

銆�銆�鈼� 鐒″欢鏅�(sh铆)瀵叆鏁�(sh霉)鎿�(j霉)锛�

銆�銆�鈼� 鍏堥��(j矛n)鐨勯珮鍙潬鎬ч惖闆诲瓨鍎�(ch菙)鏂瑰紡锛�

銆�銆�鈼� 閫ｆ帴鏂瑰紡鐐洪珮閫熶覆琛屾帴鍙ｏ紙SPI锛夌附绶氭柟寮�锛屼笖鍏锋湁SPI鏂瑰紡0鍜�3鍏╃ó鏂瑰紡锛�

銆�銆�鈼� 绺界窔闋荤巼楂橀仈(d谩)5MHz锛�

銆�銆�鈼� 纭欢涓婂彲鐩存帴鍙栦唬EEPROM锛�

銆�銆�鈼� 鍏锋湁鍏堥��(j矛n)鐨勫淇濊(h霉)瑷�(sh猫)瑷�(j矛)锛屽寘鎷‖浠朵繚璀�(h霉)鍜岃粺浠朵繚璀�(h霉)闆欓噸淇濊(h霉)鍔熻兘锛�

銆�銆�鈼� 浣庡姛鑰�锛屽緟姗�(j墨)闆绘祦鍍呯偤10渭A锛�

銆�銆�鈼� 閲囩敤鍠浕婧�+5V渚涢浕锛�

銆�銆�鈼� 宸ユキ(y猫)婧害鑼冨湇锛�-40鈩冭嚦+85鈩冿紱

銆�銆�鈼� 閲囩敤8鑵砈OP 鎴朌IP灏佽褰㈠紡锛�

銆�銆�鍩轰簬浠ヤ笂鐗归粸(di菐n)锛� FRAM瀛樺劜(ch菙)鍣ㄩ潪甯搁仼鐢ㄤ簬闈炴槗澶辨�т笖闇�瑕侀牷绻佸揩閫熷瓨鍎�(ch菙)鏁�(sh霉)鎿�(j霉)鐨勫牬(ch菐ng)鍚�銆傚叾鎳�(y墨ng)鐢ㄨ寖鍦嶅寘鎷皪(du矛)瀵懆鏈熸檪(sh铆)搴忔湁鍤�(y谩n)鏍艰姹傜殑鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)鍜屼娇鐢‥EPROM鏅�(sh铆)鐢变簬鍏跺鍛ㄦ湡闀�(zh菐ng)鑰屽彲鑳芥渻(hu矛)寮曡捣鏁�(sh霉)鎿�(j霉)涓熷け鐨勫伐妤�(y猫)鎺у埗绛夐牁(l菒ng)鍩�銆�

骞鹃粸(di菐n)瑾槑

銆�銆�(1) 鏃╂湡鐨凢RAM璁�/瀵�熷害涓嶄竴妯ｏ紝瀵叆鏅�(sh铆)闁撴洿闀�(zh菐ng)涓�浜�锛屽湪浣跨敤涓婅娉ㄦ剰銆傝繎鏈熺殑FRAM璁�/瀵�熷害鏄竴妯ｇ殑銆備緥濡�锛屼笂杩癋M1808鐨勪竴娆¤畝/瀵檪(sh铆)闁撶偤70 ns銆備竴鑸湴锛屼竴娆¤畝/瀵殑鏅�(sh铆)闁撶煭锛岃�岄�ｇ簩(x霉)鐨勮畝/瀵懆鏈熻闀�(zh菐ng)涓�浜�銆備緥濡�锛孯amtron鍏徃鏂拌繎鎺ㄥ嚭鐨�128 K脳8 bit鐨凢RAM鑺墖F(xi脿n)M20L08鐨勪竴娆¤畝/瀵檪(sh铆)闁撶偤60ns锛岃�屽叾閫ｇ簩(x霉)鐨勮畝/瀵懆鏈熺偤150 ns銆傞�欏皪(du矛)澶氭暩(sh霉)宸ユ帶姗�(j墨)渚嗚閭勬槸鍙互婊胯冻瑕佹眰鐨�銆�

銆�銆�(2) FRAM鍦ㄥ姛鑰椼�佸鍏ラ�熷害绛夎ū澶氭柟闈㈤兘閬�(yu菐n)閬�(yu菐n)鍎�(y艒u)浜嶦PROM鎴朎EPROM銆傞�欓噷鐗瑰垾鎻愬嚭鐨勬槸瀵叆娆℃暩(sh霉)锛孎(xi脿n)RAM姣擡PROM鎴朎EPROM瑕佸ぇ寰楀銆侲PROM鐨勫鍏ユ鏁�(sh霉)鍦ㄨ惉娆″乏鍙筹紝鑰孍EPROM鐨勫鍏ユ鏁�(sh霉)涓�鑸偤1钀綖10钀锛屽��(g猫)鍒ヨ姱鐗囪兘閬�(d谩)鍒�100钀銆�

銆�銆�鏃╂湡鐨凢RAM鐨勫鍏ユ鏁�(sh霉)鐐哄咕鐧惧剟娆★紝鑰岀洰鍓嶇殑鑺墖鍙仈(d谩)钀剟娆＄敋鑷虫槸鐒￠檺澶氭銆�

銆�銆�(3) 鍦‵RAM瀹舵棌涓�锛岄櫎浜嗕笂杩板苟琛岀殑FRAM鑺墖澶栵紝閭勬湁涓茶FRAM鑺墖銆傝垏涓茶EEPROM涓�妯ｏ紝涓茶FRAM鍙兘鐢ㄤ綔澶栧瓨銆傞’鐒�锛屽埄鐢ㄤ覆琛孎RAM鍙互妲�(g貌u)鎴怚C鍗�銆�

鎸囦护闆�

銆�銆�浠M25C160鐐轰緥锛屽叾SPI鍗�(xi茅)璀版湁鎿嶄綔鎸囦护渚嗘帶鍒�銆傜暥(d膩ng)鐗囬伕淇¤櫉(h脿o)鏈夋晥鏅�(sh铆)锛�/CS=0锛� 锛屽皪(du矛)FM25C160 鎿嶄綔鐨勫��(g猫)瀛楃瘈(ji茅)鐐哄懡浠ゅ瓧锛岀穵鎺ュ叾鍚庣殑鏄� 11 浣嶆湁鏁堝湴鍧�鍜屽偝閫佹暩(sh霉)鎿�(j霉)銆侳M25C160 鎿嶄綔鎸囦护闆嗭紙濡傝〃2鎵�绀猴級鍏辨湁6姊濇寚浠�锛屽彲鍒嗙偤3椤烇細

銆�銆�椤炵偤鎸囦护鍚庝笉鎺ヤ换浣曟搷浣滄暩(sh霉)锛岃┎椤炴寚浠ょ敤浜庡畬鎴愭煇涓�鐗瑰畾鍔熻兘銆傚寘鎷琖REN 鍜學RDI锛涚浜岄鐐烘寚浠や箣鍚庢帴涓�鍊�(g猫)瀛楃瘈(ji茅)锛岄�欓鎸囦护鍙敤渚嗗畬鎴愬皪(du矛)鐙�鎱�(t脿i)瀵勫瓨鍣ㄧ殑鎿嶄綔銆�

銆�銆�鍖呮嫭RDSR鍜學RSR锛涚涓夐鏄皪(du矛)瀛樺劜(ch菙)鍣ㄩ��(j矛n)琛岃畝瀵搷浣滅殑鎸囦护锛� 瑭查鎸囦护涔嬪悗绶婃帴钁楃殑鏄瓨鍎�(ch菙)鍣ㄥ湴鍧�鍜屼竴鍊�(g猫)鎴栧鍊�(g猫)鍦板潃鏁�(sh霉)鎿�(j霉)銆傚寘鎷琑EAD鍜學RITE銆�

銆�銆�鎵�鏈夌殑鎸囦护锛屽湴鍧�鑸囨暩(sh霉)鎿�(j霉)閮芥槸浠SB锛堟湁鏁堜綅锛夊湪鍓嶇殑鏂瑰紡鍌抽�併��

FRAM瀛樺劜(ch菙)鍣ㄧ殑鎸囦护闆�

榛�(di菐n)鎿婃煡鐪嬪師鍦�

鍏稿瀷鎳�(y墨ng)鐢�

銆�銆�FRAM鎶�琛�(sh霉)鐨勫鍔熻兘鎬ф豢瓒冲绋笉鍚岀殑鎳�(y墨ng)鐢�銆傚緢鏄庨’锛屾洿楂樼殑璁�瀵鏁�(sh霉)鍜屾洿蹇殑璁�瀵�熷害浣垮緱FRAM鍦ㄥ彲澶氭绶ㄧ▼鎳�(y墨ng)鐢ㄤ腑姣擡EPROM鎬ц兘鏇村姞鍎�(y艒u)瓒�銆� 鍏舵噳(y墨ng)鐢ㄤ富瑕佸寘鎷細鏁�(sh霉)鎿�(j霉)閲囬泦鍜岃閷�锛屽瓨鍎�(ch菙)閰嶇疆鍙冩暩(sh霉)(Configuration/Setting Data)锛岄潪鏄撳け鎬х珐娌�(buffer)瑷樻喍鍜孲RAM鐨勫彇浠ｅ拰鎿�(ku貌)灞曠瓑銆�

銆�銆�涓嬮潰绲﹀嚭AT89C51鍠墖姗�(j墨)鑸嘑M25C160鐨勬帴鍙ｉ浕璺湒鍙婂皪(du矛)FM25C160鐨勫鎿嶄綔娴佺▼鍦�銆傝┎鎳�(y墨ng)鐢ㄧ郴绲�(t菕ng)鍙湪FM25C160鑺墖鐨�400H锝�7FFH鍦板潃鑼冨湇瀛樻斁鎺у埗绯荤当(t菕ng)鐨勯噸瑕佸弮鏁�(sh霉)锛岃�屽皣鍏朵綑鐨�000H锝�3FFH鐣欑郸鐢ㄦ埗浣跨敤銆�

AT89C51鑸嘑M25C160 鐨勬帴鍙ｉ浕璺湒

缍韩(k霉)闆诲瓙閫�锛岄浕瀛愮煡璀�(sh铆)锛屼竴鏌ョ櫨閫�锛�

宸叉敹閷勮姊�162542鍊�(g猫)