鏅傞枔锛�2025/5/20 14:17:27
闁辫畝锛�19
PCA9555BS 鏄竴娆剧敱 NXP Semiconductors 鎻愪緵鐨� 16 浣� I2C-bus 鍜� SMBus 鍏煎鐨� I/O 鎿村睍鍣�銆傝┎鑺墖閲囩敤 CMOS 鎶�琛�(sh霉)鍒堕�狅紝鍏锋湁浣庡姛鑰楀拰楂橀浕姘ｆ�ц兘鐨勭壒榛�銆侾CA9555BS 鏀寔鍏╁�嬬崹绔嬬殑 8 浣嶉厤缃瘎瀛樺櫒锛屽垎鍒ョ敤浜庤几鍏ュ拰杓稿嚭鏂瑰悜瑷�(sh猫)缃�锛屽苟涓旀瘡鍊嬪紩鑵抽兘鍙互鍠崹閰嶇疆鐐鸿几鍏ユ垨杓稿嚭銆傛澶�锛屽畠閭勬彁渚涜几鍏ュ瘎瀛樺櫒銆佽几鍑哄瘎瀛樺櫒鍜屾サ鎬у弽杞�(zhu菐n)瀵勫瓨鍣ㄤ互澧炲挤鍔熻兘闈堟椿鎬с��
銆�銆�PCA9555BS 鐨勫湴鍧�閫氶亷 A0-A2 寮曡叧瑷�(sh猫)缃�锛屾渶澶氬彲浠ユ敮鎸佸湪涓�鍊� I2C 绺界窔涓婇�ｆ帴鍏�嬭ō(sh猫)鍌欙紙浣跨敤涓嶅悓鐨勫湴鍧�锛�銆傞�欎娇寰� PCA9555BS 鎴愮偤闇�瑕佹摯灞� GPIO 寮曡叧鏁�(sh霉)閲忕殑鎳夌敤鐨勭悊鎯抽伕鎿囥��
閭忚集闆诲钩锛欳MOS/TTL
銆�銆�宸ヤ綔闆诲鑼冨湇锛�1.7V 鑷� 5.5V
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�硷紝V_I/O=5.5V锛�
銆�銆�杓稿嚭椹�(q奴)鍕曡兘鍔涳細卤6mA锛堟渶灏忓��锛孷_DD=5V锛�
銆�銆�灏佽椤炲瀷锛歋SOP-28
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�瀛樺劜婧害鑼冨湇锛�-65掳C 鑷� +150掳C
1. 鎻愪緵 16 鍊嬪彲閰嶇疆鐨勬暩(sh霉)瀛� I/O 寮曡叧锛屽垎鐐哄叐鍊� 8 浣嶇鍙�銆�
銆�銆�2. 鏀寔 I2C 鍜� SMBus 鍗�(xi茅)璀�锛屽吋瀹瑰绋�氫俊閫熺巼銆�
銆�銆�3. 鍙�氶亷纭欢寮曡叧瑷�(sh猫)缃閬� 8 鍊嬩笉鍚岃ō(sh猫)鍌欏湴鍧�銆�
銆�銆�4. 姣忓�� I/O 寮曡叧鍧囧彲鍠崹閰嶇疆鐐鸿几鍏ユ垨杓稿嚭銆�
銆�銆�5. 閰嶅倷杓稿叆瀵勫瓨鍣�銆佽几鍑哄瘎瀛樺櫒浠ュ強妤垫�у弽杞�(zhu菐n)瀵勫瓨鍣�锛屾敮鎸侀潏娲荤殑鏁�(sh霉)鎿�(j霉)铏曠悊銆�
銆�銆�6. 宸ヤ綔闆诲鑼冨湇瀵唬锛岄仼鐢ㄤ簬浣庨浕澹撳強妯欐簴闆诲绯荤当(t菕ng)銆�
銆�銆�7. 妤典綆闈滄厠(t脿i)闆绘祦娑堣�楋紝鏈夊姪浜庡欢闀烽浕姹犱緵闆荤郴绲�(t菕ng)鐨勭簩(x霉)鑸檪闁�銆�
銆�銆�8. 鎻愪緵瀹屾暣鐨勬晠闅滀繚璀锋鍒�锛岀⒑淇濈┅(w臎n)瀹氶亱琛�銆�
PCA9555BS 寤ｆ硾鎳夌敤浜庡悇绋祵鍏ュ紡绯荤当(t菕ng)涓�锛屽挨鍏舵槸鍦ㄩ渶瑕佹摯灞曟湁闄� GPIO 璩囨簮鐨勬儏娉佷笅銆傚吀鍨嬫噳鐢ㄥ牬鏅寘鎷細
銆�銆�1. 宸ユキ(y猫)鎺у埗闈㈡澘涓殑鎸夐垥鍜岄枊闂�(gu膩n)鐙�鎱�(t脿i)鐩�(ji膩n)娓�銆�
銆�銆�2. LED 鐙�鎱�(t脿i)鎸囩ず鐕堟帶鍒�銆�
銆�銆�3. 娑堣不椤為浕瀛愮敘(ch菐n)鍝佺殑澶栬ō(sh猫)鎺ュ彛鎿村睍銆�
銆�銆�4. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓殑澶氳矾淇¤櫉鍒囨彌銆�
銆�銆�5. 宓屽叆寮忎富鏉夸笂鐨勯�氱敤 I/O 鎿村睍妯″銆�
銆�銆�6. 瀹剁敤闆诲櫒涓殑浜烘浜や簰鐣岄潰瑷�(sh猫)瑷堛��
銆�銆�7. 閫氫俊瑷�(sh猫)鍌欎腑鐨勯浕婧愮鐞嗚垏鐙�鎱�(t脿i)鐩�(ji膩n)鎺�銆�
銆�銆�鐢变簬鍏朵綆鍔熻�楃壒鎬у拰寤ｆ硾鐨勯浕澹撴敮鎸�锛孭CA9555BS 鍦ㄤ究鏀滃紡瑷�(sh猫)鍌欏拰宸ユキ(y猫)鑷嫊鍖栭牁(l菒ng)鍩熷挨鐐洪仼鐢�銆�
PCA9555BQ, PCA9555WTR
