鏅傞枔锛�2025/4/21 9:50:53
闁辫畝锛�34
PCA9534DWR 鏄竴娆剧敱 NXP Semiconductors 鐢熺敘鐨� I2C-bus 鍜� SMBus 鍏煎鐨勪綆闆诲 CMOS 鍥涗綅杓稿叆/杓稿嚭锛圛/O锛夋摯灞曞櫒銆傝┎鍣ㄤ欢鍏锋湁涓�鍊嬮厤缃瘎瀛樺櫒銆佷竴鍊嬭几鍏ョ鍙ｅ瘎瀛樺櫒鍜屼竴鍊嬭几鍑虹鍙ｅ瘎瀛樺櫒锛岀敤浜庢帶鍒跺拰鐩�(ji膩n)鎺� I/O 寮曡叧鐨勭媭鎱�(t脿i)銆傚畠寤ｆ硾鎳夌敤浜庨渶瑕佹摯灞� GPIO 寮曡叧鏁�(sh霉)閲忕殑绯荤当(t菕ng)涓�锛屼緥濡傛秷璨婚闆诲瓙銆佸伐妤�(y猫)鎺у埗鍜岄�氫俊瑷倷銆�
銆�銆�PCA9534DWR 鏀寔妯欐簴妯″紡锛�100 kHz锛�銆佸揩閫熸ā寮忥紙400 kHz锛変互鍙婇珮閫熸ā寮忥紙3.4 MHz锛変笅鐨� I2C 绺界窔閫氫俊锛屽苟涓斿叿鍌欎腑鏂峰姛鑳�锛屽彲浠ラ檷浣庝富铏曠悊鍣ㄧ殑璨犳摂銆�
閭忚集椤炲瀷锛欼2C/SMBus 杓稿叆/杓稿嚭鎿村睍鍣�
銆�銆�閫氶亾鏁�(sh霉)锛�
銆�銆�宸ヤ綔闆诲鑼冨湇锛�1.7V 鑷� 5.5V
銆�銆�绺界窔閫熷害锛氭渶楂樻敮鎸� 3.4 MHz锛堥珮閫熸ā寮忥級
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� +85掳C
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪�� 10 渭A
銆�銆�杓稿叆婕忛浕娴侊細卤1 渭A
銆�銆�杓稿嚭椹呭嫊鑳藉姏锛氱亴闆绘祦 25 mA锛屾媺闆绘祦 25 mA
1. 鍏煎 I2C 鍜� SMBus 鍗�(xi茅)璀帮紝鍏佽ū閫氶亷绨″柈鐨勫叐绶氭帴鍙ｉ�茶鏁�(sh霉)鎿�(j霉)鍌宠几銆�
銆�銆�2. 閰嶅倷鍥涘�嬪彲绶ㄧ▼鐨勯洐鍚� I/O 寮曡叧锛岃兘澶犻潏娲诲湴瑷疆鐐鸿几鍏ユ垨杓稿嚭銆�
銆�銆�3. 姣忓�� I/O 寮曡叧閮藉叿鏈夋柦瀵嗙壒瑙哥櫦(f膩)鍣ㄨ几鍏ワ紝鎻愰珮浜嗘姉鍣�ц兘銆�
銆�銆�4. 鍏х疆涓婇浕寰╀綅鍔熻兘锛岀⒑淇濆湪涓婇浕鏅傛墍鏈夊瘎瀛樺櫒琚垵濮嬪寲鐐洪粯瑾嶇媭鎱�(t脿i)銆�
銆�銆�5. 鏀寔纭欢鍦板潃閬告搰寮曡叧锛屽厑瑷卞閬斿叓鍊嬬浉鍚岀殑瑷倷閫ｆ帴鍒板悓涓�绺界窔涓婅�屼笉鐧�(f膩)鐢熷湴鍧�娌栫獊銆�
銆�銆�6. 鎻愪緵涓柗杓稿嚭鍔熻兘锛屽彲浠ュ湪浠绘剰杓稿叆鐙�鎱�(t脿i)鏀硅畩鏅傞�氱煡涓绘铏曠悊鍣�銆�
1. 鍦ㄥ祵鍏ュ紡绯荤当(t菕ng)涓摯灞曟湁闄愮殑 GPIO 璩囨簮銆�
銆�銆�2. 瀵︾従(xi脿n)閸电洡鐭╅櫍鎺冩弿鎴� LED 鎺у埗銆�
銆�銆�3. 鐩�(ji膩n)鎺у閮ㄩ枊闂滄垨鎸夐垥鐙�鎱�(t脿i)銆�
銆�銆�4. 鐢ㄤ綔閫氱敤鏁�(sh霉)瀛楄几鍏�/杓稿嚭鎺ュ彛锛岄仼鐢ㄤ簬鍚勭ó鍌虫劅鍣ㄦ垨鍩�(zh铆)琛屽櫒銆�
銆�銆�5. 宸ユキ(y猫)鑷嫊鍖栦腑鐨勫榛炵媭鎱�(t脿i)鐩�(ji膩n)鎺ц垏鎺у埗銆�
銆�銆�6. 娑堣不椤為浕瀛愮敘鍝佷腑杓斿姪鍔熻兘鐨勫鐝�(xi脿n)锛屽鐙�鎱�(t脿i)鎸囩ず鐕堟帶鍒躲��
PCA9534PW, PCA9534BDW, PCA9534BDR
