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DS1746W-70IND+ 鏄� Maxim Integrated 鍏徃鐢熺敘鐨勪竴娆惧鏅傛檪閻� (RTC) 鑺墖锛屽叿鏈夐潪鏄撳け鎬у瓨鍎插櫒鍜屾檪閻樺姛鑳�銆傝┎鑺墖閲囩敤 I2C 鎺ュ彛閫茶閫氫俊锛屽苟鏀寔浣庡姛鑰楁搷浣�锛岄仼鐢ㄤ簬闇�瑕佺簿纰烘檪闁撹窡韫ゅ拰鏁告摎瀛樺劜鐨勬噳鐢ㄥ牬鏅��
銆�銆�瑭茶姱鐗囬泦鎴愪簡涓�鍊嬮珮绮惧害鎸暕鍣�銆佹棩姝峰姛鑳斤紙鍖呮嫭绉�銆佸垎銆佸皬鏅�銆佹棩鏈�銆佹湀浠藉拰骞翠唤锛変互鍙婂閬� 256 瀛楃瘈(ji茅)鐨勯潪鏄撳け鎬� SRAM 瀛樺劜绌洪枔锛屽嵆浣垮湪涓婚浕婧愭柗闆荤殑鎯呮硜涓�锛屼篃鍙互閫氶亷鍌欑敤闆绘睜鎴栬秴绱氶浕瀹圭董鎸佹檪闁撳拰鏁告摎鐨勫畬鏁存�с��
鍨嬭櫉锛欴S1746W-70IND+
銆�銆�鎺ュ彛椤炲瀷锛欼2C
銆�銆�宸ヤ綔闆诲鑼冨湇锛�2.0V 鑷� 5.5V
銆�銆�鏅傞悩绮惧害锛毬�2 鍒嗛悩/鏈堬紙25掳C 涓嬶級
銆�銆�瀛樺劜鍣ㄥ閲忥細256 瀛楃瘈(ji茅) NV-SRAM
銆�銆�灏佽褰㈠紡锛歋OIC-16
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�I2C 鍦板潃锛氬浐瀹氱偤 0x68
DS1746W-70IND+ 鎻愪緵浜嗗绋壒鎬�锛屼娇鍏堕潪甯搁仼鍚堝祵鍏ュ紡绯荤当(t菕ng)涓殑鏅傞枔瑷橀寗鍜屾暩鎿氫繚瀛樻噳鐢細
銆�銆�1. 鍏х疆楂樼簿搴︽尟钑╁櫒锛岃兘澶犲湪瀵韩搴﹁寖鍦嶅収鎻愪緵绌�(w臎n)瀹氱殑鏅傞悩绮惧害銆�
銆�銆�2. 鏀寔瀹屾暣鐨勬棩姝峰姛鑳�锛岃嚜鍕曡鏁存湀鏈ぉ鏁稿拰闁忓勾銆�
銆�銆�3. 闆嗘垚鐨� NV-SRAM 瀛樺劜鍣ㄧ劇闇�椤嶅鐨勫閮ㄧ祫浠跺嵆鍙繚瀛樼敤鎴舵暩鎿�銆�
銆�銆�4. 浣庡姛鑰楄ō瑷�锛岀⒑淇濆倷鐢ㄦā寮忎笅鐨勯暦鏅傞枔閬嬭銆�
銆�銆�5. 鎻愪緵鎺夐浕妾㈡脯鍔熻兘锛屽厑瑷辩郴绲�(t菕ng)鍦ㄤ富闆绘簮澶辨晥鏅傚垏鎻涘埌鍌欑敤闆绘簮銆�
銆�銆�6. 灏佽灏忓阀锛屼究浜庨泦鎴愬埌绶婃箠鍨嬭ō瑷堜腑銆�
銆�銆�7. 鏀寔妯欐簴鍜屽揩閫熸ā寮� I2C 鍗旇锛堟渶楂樺彲閬� 400kHz锛�銆�
閫欐 RTC 鑺墖寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 宸ユキ(y猫)鎺у埗瑷倷锛岀敤浜庤閷勪簨浠剁殑鏅傞枔鎴炽��
銆�銆�2. 閱�(y墨)鐧傚剙鍣�锛岀⒑淇濇簴纰虹殑鏅傞枔瑷橀寗鍜屾偅鑰呮暩鎿氬瓨鍎�銆�
銆�銆�3. 宓屽叆寮忚▓绠楁鍜岀恫绲¤ō鍌�锛屾彁渚涘彲闈犵殑鏅傞枔鍩烘簴銆�
銆�銆�4. 瀹剁敤闆诲櫒锛屽寰尝鐖愭垨鍜栧暋姗�锛岄’绀虹暥鍓嶆檪闁撳拰鏃ユ湡銆�
銆�銆�5. 鏁告摎瑷橀寗鍎�鍜屼究鏀滃紡瑷倷锛屼繚瀛橀棞閸典俊鎭互鍌欏悗绾�(x霉)鍒嗘瀽銆�
銆�銆�6. 闆诲姏鐩�(ji膩n)鎺х郴绲�(t菕ng)鍜屾櫤鑳藉剙琛紝鐢ㄤ簬瀹氭檪浠诲嫏瑾垮害鍜屾暩鎿氶噰闆�銆�
DS1339C, DS3231, PCF85263A
