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闁辫畝锛�23
PCA9534BS 鏄竴娆剧敱 NXP 鐢熺敘鐨� I2C-bus 鍜� SMBus 鍏煎鐨� 8 浣� GPIO锛堥�氱敤杓稿叆杓稿嚭锛夋摯灞曞櫒銆傝┎鍣ㄤ欢鑳藉閫氶亷 I2C 绺界窔鎺ュ彛灏囬澶栫殑杓稿叆/杓稿嚭绔彛娣诲姞鍒板井鎺у埗鍣ㄧ郴绲�(t菕ng)涓�锛屽緸鑰岀偤闇�瑕佹洿澶� I/O 寮曡叧鐨勬噳鐢ㄦ彁渚涜В姹烘柟妗堛��
銆�銆�PCA9534BS 鎻愪緵浜嗕綆鍔熻�楃壒鎬у拰澶氱ó宸ヤ綔妯″紡锛屼娇鍏堕潪甯搁仼鍚堢敤浜庢秷璨婚浕瀛�銆佸伐妤�(y猫)鎺у埗浠ュ強宓屽叆寮忕郴绲�(t菕ng)绛夐牁鍩�銆�
闆绘簮闆诲锛�1.7V 鑷� 5.5V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�I2C 绺界窔閫熷害锛氭婧栨ā寮忥紙100kHz锛�銆佸揩閫熸ā寮忥紙400kHz锛�
銆�銆�杓稿叆婕忛浕娴侊細卤1渭A锛堟渶澶у�硷級
銆�銆�杓稿嚭椹呭嫊鑳藉姏锛�25mA锛堝吀鍨嬪�硷級
銆�銆�灏佽褰㈠紡锛歍SSOP-16
PCA9534BS 鐨勪富瑕佺壒鎬у寘鎷互涓嬪咕榛烇細
銆�銆�1. 鍏峰倷 8 璺彲閰嶇疆鐨� GPIO 寮曡叧锛屾敮鎸佺崹绔嬭ō缃偤杓稿叆鎴栬几鍑烘ā寮�銆�
銆�銆�2. 鍏х疆涓婇浕寰╀綅鍔熻兘锛岀⒑淇濆櫒浠跺湪鍟熷嫊鏅傞�插叆宸茬煡鐙�鎱�(t脿i)銆�
銆�銆�3. 鏀寔 I2C 鍜� SMBus 鍗�(xi茅)璀伴�氫俊锛岀啊鍖栦簡鑸囦富鎺цō鍌欑殑閫ｆ帴閬庣▼銆�
銆�銆�4. 鎻愪緵纭欢鍦板潃寮曡叧锛屽厑瑷卞悓涓�绺界窔涓婃渶澶氶�ｆ帴鍥涘�嬬浉鍚岃ō鍌欙紙閫氶亷涓嶅悓鐨勫緸鍦板潃鍗�(q奴)鍒嗭級銆�
銆�銆�5. 鍏锋湁涓柗杓稿嚭鍔熻兘锛岀暥浠绘剰杓稿叆寮曡叧鐙�鎱�(t脿i)鏀硅畩鏅傚彲浠ヨЦ鐧�(f膩)涓柗淇¤櫉閫氱煡涓绘銆�
銆�銆�6. 宸ヤ綔闆诲鑼冨湇瀵唬锛岄仼鎳夊绋緵闆荤挵(hu谩n)澧�銆�
銆�銆�7. 灏佽灏忓阀锛屼究浜� PCB 甯冨眬瑷▓銆�
PCA9534BS 寤ｆ硾鎳夌敤浜庡悇绋渶瑕佹摯灞� GPIO 鐨勫牬鏅腑锛屽叿楂斿寘鎷細
銆�銆�1. 娑堣不椤為浕瀛愮敘鍝�锛屽闆昏銆佹闋傜洅銆佸鐢ㄩ浕鍣ㄧ瓑銆�
銆�銆�2. 宸ユキ(y猫)鎺у埗绯荤当(t菕ng)涓殑鐙�鎱�(t脿i)鐩�(ji膩n)鎺у拰淇¤櫉铏曠悊銆�
銆�銆�3. 宓屽叆寮忚ō鍌欎腑鐢ㄤ綔鎸夐嵉妾㈡脯銆丩ED 椹呭嫊鎴栧叾浠栧瑷帶鍒躲��
銆�銆�4. 瑷堢畻姗熶富鏉垮強澶栧湇瑷倷鐨勭媭鎱�(t脿i)鎸囩ず鐕堢鐞�銆�
銆�銆�5. 渚挎敎寮忚ō鍌欎腑鐨勪綆鍔熻�� I/O 鎿村睍闇�姹傘��
銆�銆�6. 澶氳矾闁嬮棞鐭╅櫍鎴栧偝鎰熷櫒闄ｅ垪鐨勭鐞�銆�
PCA9534PW, PCA9534BD
