鏅傞枔锛�2025/5/9 16:40:54
闁辫畝锛�29
PCF8574TS/3 鏄竴娆剧敱 NXP锛堟仼鏅烘郸锛夌敓鐢�(ch菐n)鐨� I2C 绺界窔鎿村睍鍣�锛岃兘澶犵偤寰帶鍒跺櫒鎻愪緵椤嶅鐨勮几鍏�/杓稿嚭绔彛銆傝┎鍣ㄤ欢閫氶亷 I2C 鎺ュ彛鑸囦富鎺цō鍌欓�氫俊锛屾敮鎸佹婧栨ā寮忓拰蹇�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▓銆�
銆�銆�PCF8574 鎻愪緵浜� 8 浣嶆簴闆欏悜 I/O 绔彛锛屽苟涓旀敮鎸侀枊鏀炬紡妤佃几鍑�锛屼娇鍏跺彲浠ヨ紩鏉鹃厤缃偤杓稿叆鎴栬几鍑烘ā寮忋�傞�欐鑺墖寤ｆ硾鎳夌敤浜庨渶瑕佹摯灞� GPIO 鐨勫牬鏅�锛屼緥濡傛秷璨婚浕瀛愩�佸伐妤�(y猫)鎺у埗鍜屽闆婚牁鍩�銆�
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
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)璀帮紝鍙垏涓绘帶鍒跺櫒鐒＄斧闆嗘垚銆�
銆�銆�2. 鎻愪緵 8 鍊嬫簴闆欏悜 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х疆涓婃媺闆婚樆閬搁爡锛岀啊鍖栦簡澶栭儴闆昏矾瑷▓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傞�ｆ帴 8 鍊嬬崹绔嬬殑 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�э紝閬╁悎宸ユキ(y猫)绱氭噳鐢ㄧ挵(hu谩n)澧�銆�
銆�銆�7. 灏佽灏忓阀锛屼究浜� PCB 甯冨眬瑷▓銆�
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 鎿村睍锛岀敤浜庡鍔犳寜閸垫娓垨 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鍌欎腑鐨勯枊闂滀俊铏熻檿鐞�銆�
銆�銆�4. 娑堣不椤為浕瀛愮敘(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﹨鍕曟帶鍒躲��
銆�銆�鐢变簬鍏朵綆鍔熻�楀拰绨″柈鏄撶敤鐨勭壒榛�锛孭CF8574TS/3 鎴愮偤浜嗚ū澶氬祵鍏ュ紡闋呯洰涓悊鎯崇殑 I/O 鎿村睍瑙ｆ焙鏂规銆�
PCA9554, MCP23008
