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闁辫畝锛�41
MCP23S17 鏄竴娆句締鑷� Microchip 鐨� 16 浣� I/O 鎿村睍鍣�锛岄�氶亷 SPI 绺界窔鑸囦富鎺у埗鍣ㄩ�氫俊銆傚畠闆嗘垚浜嗗叐鍊� 8 浣嶇鍙ｏ紙Port A 鍜� Port B锛�锛屾敮鎸佸绋伐浣滄ā寮忓拰闈堟椿鐨勯厤缃伕闋�銆侻CP23S17 鎻愪緵浜嗗寮风殑 GPIO 鍔熻兘锛屽寘鎷彲绶ㄧ▼杓稿叆/杓稿嚭鏂瑰悜銆佷腑鏂锋娓�佸収(n猫i)閮ㄤ笂鎷夐浕闃�銆佷互鍙婂悓姝ユ暩(sh霉)鎿�(j霉)鏇存柊绛夌壒鎬�銆�
銆�銆�瑭插櫒浠堕噰鐢ㄤ綆鍔熻�� CMOS 鎶�琛�(sh霉)鍒堕�狅紝鍏锋湁楂樺彲闈犳�у拰寤ｆ硾鐨勫伐妤�(y猫)绱氭噳鐢ㄨ兘鍔涖�侻CP23S17-E/SS 鐗规寚閲囩敤 SOIC-28 灏佽褰㈠紡鐨勭増鏈�銆�
闆绘簮闆诲锛�2.7V 鑷� 5.5V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�I/O 寮曡叧鏁�(sh霉)閲忥細16
銆�銆�SPI 鏁�(sh霉)鎿�(j霉)閫熺巼锛氭渶楂� 10 MHz
銆�銆�灏佽椤炲瀷锛歋OIC-28
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪�� 1 渭A锛堟帀闆绘ā寮忥級
銆�銆�鏈�澶ц几鍑洪﹨(q奴)鍕曢浕娴侊細25 mA
銆�銆�杓稿叆婕忛浕娴侊細卤1 渭A
MCP23S17 鎻愪緵璞愬瘜鐨勫姛鑳界壒鎬э紝浣垮叾闈炲父閬╁悎闇�瑕佹摯灞� GPIO 璩囨簮鐨勬噳鐢ㄥ牬鏅�銆傚叾涓昏鐗规�у寘鎷細
銆�銆�1. 鏀寔鐛ㄧ珛閰嶇疆姣忓�嬪紩鑵崇偤杓稿叆鎴栬几鍑恒��
銆�銆�2. 鍏�(n猫i)缃彲閬哥殑寮变笂鎷夐浕闃诲姛鑳�锛岀敤浜庨槻姝㈡诞鍕曡几鍏�銆�
銆�銆�3. 鍏峰倷涓柗鍔熻兘锛岃兘澶犲揩閫熼�氱煡涓绘鏌愬�嬪紩鑵崇媭鎱�(t脿i)鐧�(f膩)鐢熻畩鍖�銆�
銆�銆�4. 姣忓�嬬鍙ｉ兘鏀寔閺″儚涓柗鎴栧柈鐛ㄥ垎閰嶄腑鏂�銆�
銆�銆�5. 鍙�氶亷纭欢鍦板潃寮曡叧瑷疆澶氶仈 8 鍊嬪緸瑷倷鍦板潃銆�
銆�銆�6. 鏀寔 SPI 鍚屾涓茶鎺ュ彛锛屼究浜庨�ｆ帴鑷冲井鎺у埗鍣ㄦ垨鍏朵粬涓绘帶鍠厓銆�
銆�銆�7. 鍖呭惈涓�鍊嬮洐鍚戞暩(sh霉)鎿�(j霉)绶╂矕鍣紝纰轰繚璁�瀵搷浣滅殑涓�鑷存��銆�
銆�銆�8. 鎻愪緵瀛樺劜瀵勫瓨鍣ㄥ姛鑳�锛屼互淇濆瓨閰嶇疆淇℃伅骞舵笡灏戦�氫俊闁嬮姺銆�
MCP23S17 寤ｆ硾鎳夌敤浜庡祵鍏ュ紡绯荤当(t菕ng)瑷▓涓�锛屽挨鍏舵槸鍦ㄩ渶瑕侀澶� GPIO 璩囨簮鐨勫牬鍚�銆傚叿楂旀噳鐢ㄩ牁(l菒ng)鍩熷寘鎷細
銆�銆�1. 宸ユキ(y猫)鑷嫊鍖栨帶鍒�锛屼緥濡傚偝鎰熷櫒淇¤櫉閲囬泦鎴栧煼(zh铆)琛屽櫒椹�(q奴)鍕曘��
銆�銆�2. 瀹剁敤闆诲櫒鎺у埗闈㈡澘锛屽鎸夐嵉鎺冩弿鎴� LED 椤ず椹�(q奴)鍕曘��
銆�銆�3. 閫氫俊瑷倷涓殑澶栬ō绠＄悊妯″銆�
銆�銆�4. 閱�(y墨)鐧傝ō鍌欎腑鐨勯枊闂�(gu膩n)鍜屾寚绀虹噲鎺у埗銆�
銆�銆�5. 姹借粖闆诲瓙绯荤当(t菕ng)涓殑澶氳矾杓稿叆杓稿嚭绠＄悊銆�
銆�銆�6. 鏅鸿兘瀹跺眳绯荤当(t菕ng)鐨勭瘈(ji茅)榛炴摯灞曞柈鍏�銆�
銆�銆�7. 鏁�(sh霉)鎿�(j霉)閲囬泦鍗″拰鍏朵粬澶氬姛鑳界‖浠跺钩鑷恒��
MCP23S17-E/SL, MCP23S17-I/SS, MCP23S17-M/SS
