PCF8574TS/3 鏅�(sh铆)闁擄細2025/5/9 16:40:54 闁辫畝锛�30

PCF8574TS/3 鏄竴娆剧敱 NXP锛堟仼鏅烘郸锛夌敓鐢�(ch菐n)鐨� I2C 绺界窔鎿�(ku貌)灞曞櫒锛岃兘澶�?y脿n)妲测挅鍒傜牬榄堝硜鈺妦澶栫殑杓稿叆/杓稿嚭绔彛銆傝┎鍣ㄤ欢閫氶亷 I2C 鎺ュ彛鑸囦富鎺цō(sh猫)鍌欓€氫俊锛屾敮鎸佹(bi膩o)婧�(zh菙n)妯″紡鍜屽揩閫熸ā寮�锛屾渶楂樻暩(sh霉)鎿�(j霉)鍌宠几閫熺巼鐐� 400 kbps銆傚畠鍏锋湁浣庡姛鑰楃壒鎬�锛岄仼鐢ㄤ簬澶氱ó宓屽叆寮忕郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)銆�
銆€銆€PCF8574 鎻愪緵浜� 8 浣嶆簴(zh菙n)闆欏悜 I/O 绔彛锛屽苟涓旀敮鎸侀枊鏀炬紡妤佃几鍑猴紝浣垮叾鍙互杓曟澗閰嶇疆鐐鸿几鍏ユ垨杓稿嚭妯″紡銆傞€欐鑺墖寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇€瑕佹摯(ku貌)灞� GPIO 鐨勫牬鏅紝渚嬪娑堣不(f猫i)闆诲瓙銆佸伐妤�(y猫)鎺у埗鍜屽闆婚牁(l菒ng)鍩�銆�

鍙冩暩(sh霉)

鍨嬭櫉锛歅CF8574TS/3
銆€銆€鍝佺墝锛歂XP
銆€銆€鎺ュ彛椤炲瀷锛欼2C
銆€銆€I/O 鏁�(sh霉)閲忥細8 浣�
銆€銆€宸ヤ綔闆诲锛�1.65V 鑷� 5.5V
銆€銆€鏈€澶ч浕娴侊細姣忓紩鑵� 卤20mA
銆€銆€绺界窔閫熷害锛氭渶楂� 400 kbps
銆€銆€灏佽椤炲瀷锛歍SSOP-16
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C

鐗规€�

PCF8574TS/3 鍏锋湁浠ヤ笅涓昏鐗规€э細
銆€銆€1. 鏀寔 I2C-bus 閫氫俊鍗�(xi茅)璀�锛屽彲鑸囦富鎺у埗鍣ㄧ劇绺泦鎴愩€�
銆€銆€2. 鎻愪緵 8 鍊嬫簴(zh菙n)闆欏悜 I/O 寮曡叧锛屽厑瑷遍潏娲诲湴閰嶇疆鐐鸿几鍏ユ垨杓稿嚭銆�
銆€銆€3. 鍏�(n猫i)缃笂鎷夐浕闃婚伕闋�(xi脿ng)锛岀啊鍖栦簡澶栭儴闆昏矾瑷�(sh猫)瑷�(j矛)銆�
銆€銆€4. 鏀寔澶氳矾鍦板潃閬告搰鍔熻兘锛屾渶澶氬彲浠ュ悓鏅�(sh铆)閫ｆ帴 8 鍊嬬崹(d煤)绔嬬殑 PCF8574 鑺墖鍒板悓涓€ I2C 绺界窔涓�銆�
銆€銆€5. 宸ヤ綔闆诲鑼冨湇寤�锛屽吋瀹� 3.3V 鍜� 5V 绯荤当(t菕ng)銆�
銆€銆€6. 楂樺彲闈犳€�锛岄仼鍚堝伐妤�(y猫)绱氭噳(y墨ng)鐢ㄧ挵(hu谩n)澧�銆�
銆€銆€7. 灏佽灏忓阀锛屼究浜� PCB 甯冨眬瑷�(sh猫)瑷�(j矛)銆�

鎳�(y墨ng)鐢�

PCF8574TS/3 鍙互鍦ㄤ互涓嬪牬鏅腑浣跨敤锛�
銆€銆€1. 寰帶鍒跺櫒 GPIO 鎿�(ku貌)灞曪紝鐢ㄤ簬澧炲姞鎸夐嵉妾㈡脯鎴� LED 鎺у埗绛夊姛鑳�銆�
銆€銆€2. 瀹堕浕鐢�(ch菐n)鍝佷腑鐨勭媭鎱�(t脿i)鎸囩ず鐕堟帶鍒�銆�
銆€銆€3. 宸ユキ(y猫)鑷嫊鍖栬ō(sh猫)鍌欎腑鐨勯枊闂�(gu膩n)淇¤櫉铏曠悊銆�
銆€銆€4. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勫偝鎰熷櫒鏁�(sh霉)鎿�(j霉)閲囬泦銆�
銆€銆€5. 椤ず灞忚儗鍏夋帶鍒舵垨閸电洡鐭╅櫍鎺冩弿銆�
銆€銆€6. 澶氳矾绻奸浕鍣ㄩ﹨(q奴)鍕曟帶鍒�銆�
銆€銆€鐢变簬鍏朵綆鍔熻€楀拰绨″柈鏄撶敤鐨勭壒榛�(di菐n)锛孭CF8574TS/3 鎴愮偤浜嗚ū澶氬祵鍏ュ紡闋�(xi脿ng)鐩腑鐞嗘兂鐨� I/O 鎿�(ku貌)灞曡В姹烘柟妗堛€�