銆�銆�CRC锛堝惊鐠�(hu谩n)鍐椾綑鏍￠锛夋槸涓�绋牴鎿�(j霉)缍�(w菐ng)绲�(lu貌)鏁�(sh霉)鎿�(j霉)灏佸寘鎴�闆昏叇妾旀绛夋暩(sh霉)鎿�(j霉)鐢�(ch菐n)鐢熺啊鐭浐瀹氫綅鏁�(sh霉)鏍￠纰肩殑涓�绋暎鍒楀嚱鏁�(sh霉)锛屼富瑕佺敤渚嗘娓垨鏍￠鏁�(sh霉)鎿�(j霉)鍌宠几鎴栬�呬繚瀛樺悗鍙兘鍑虹従(xi脿n)鐨勯尟瑾�銆傜敓鎴愮殑鏁�(sh霉)瀛楀湪鍌宠几鎴栬�呭劜瀛樹箣鍓嶈▓绠楀嚭渚嗗苟涓旈檮鍔犲埌鏁�(sh霉)鎿�(j霉)鍚庨潰锛岀劧鍚庢帴鏀舵柟閫�(j矛n)琛屾椹楃⒑瀹氭暩(sh霉)鎿�(j霉)鏄惁鐧�(f膩)鐢熻畩鍖�銆備竴鑸締瑾紝寰挵(hu谩n)鍐椾綑鏍￠鐨勫�奸兘鏄�32浣嶇殑鏁存暩(sh霉)銆傜敱浜庢湰鍑芥暩(sh霉)鏄撲簬鐢ㄤ簩閫�(j矛n)鍒剁殑闆昏叇纭欢浣跨敤銆佸鏄撻��(j矛n)琛屾暩(sh霉)瀛�(xu茅)鍒嗘瀽骞朵笖灏ゅ叾鍠勪簬妾㈡脯鍌宠几閫氶亾骞叉摼寮曡捣鐨勯尟瑾�锛屽洜姝ょ嵅寰楀唬娉涙噳(y墨ng)鐢�銆�
銆�銆�鍩烘湰鍘熺悊锛氬湪K浣嶄俊鎭⒓鍚庡啀鎷兼帴R浣嶇殑鏍￠纰�锛屾暣鍊嬬法纰奸暦搴︾偤N浣�锛屽洜姝�锛岄�欑ó绶ㄧ⒓鍙堝彨锛圢锛孠锛夌⒓銆傚皪浜庝竴鍊嬬郸瀹氱殑锛圢锛孠锛夌⒓锛屽彲浠ヨ瓑鏄庡瓨鍦ㄤ竴鍊嬫鍐偤N-K=R鐨勫闋呭紡G(x)銆傛牴鎿�(j霉)G(x)鍙互鐢熸垚K浣嶄俊鎭殑鏍￠纰�锛岃�孏(x)鍙仛閫欏��CRC纰肩殑鐢熸垚澶氶爡寮�銆�
銆�銆�鏍￠纰肩殑鍏烽珨鐢熸垚閬庣▼鐐猴細鍋囪ō(sh猫)鐧�(f膩)閫佷俊鎭敤淇℃伅澶氶爡寮廋(X)琛ㄧず锛屽皣C(x)宸︾ЩR浣�锛屽墖鍙〃绀烘垚C(x)*2R锛岄�欐ǎC(x)鐨勫彸閭婂氨鏈冪┖鍑篟浣�锛岄�欏氨鏄牎椹楃⒓鐨勪綅缃�銆傞�氶亷C(x)*2R闄や互鐢熸垚澶氶爡寮廏(x)寰楀埌鐨勪綑鏁�(sh霉)灏辨槸鏍￠纰�銆�
銆�銆�鍦ㄥ湅闅涙(bi膩o)婧�(zh菙n)涓�锛屾牴鎿�(j霉)鐢熸垚澶氶爡寮廏(x)鐨勪笉鍚岋紝CRC鍙堝彲鍒嗙偤浠ヤ笅骞剧ó妯�(bi膩o)婧�(zh菙n)锛�
銆�?銆佽脖RC-12纰�: G(x)=X12+X11+X3+X2+X+1
銆�銆�鈶RC-16纰�: G(x)=X16+X15+X2+1
銆�?銆佽窚RC-CCITT纰�: G(x)=X16+X12+X5+1
銆�銆�鈶RC-32纰�: G(x)=X32+X26+X23+X22+X16+X12+X11+X10+X8+X7+X5+X4+X2+X1+X+1
銆�銆�CRC-12纰奸�氬父鐢ㄤ締鍌抽��6-bit瀛楃涓�銆侰RC-16鍙奀RC-CCITT纰煎墖鐢ㄦ槸渚嗗偝閫�8-bit瀛楃锛屽叾涓瑿RC-16鐐虹編鍦嬮噰鐢紝鑰孋RC-CCITT鐐烘瓙娲插湅瀹舵墍閲囩敤銆侰RC-32纰煎ぇ閮借閲囩敤鍦ㄤ竴绋ū鐐篜oint-to-Point鐨勫悓姝ュ偝杓镐腑銆備笅闈互鏈�甯哥敤鐨凜RC-16鐐轰緥渚嗚鏄庡叾鐢熸垚閬庣▼銆�
銆�銆�CRC-16纰肩敱鍏╁�嬪瓧绡�(ji茅)妲�(g貌u)鎴�锛屽湪闁嬪鏅侰RC瀵勫瓨鍣ㄧ殑姣忎竴浣嶉兘闋�(y霉)缃偤1锛岀劧鍚庢妸CRC瀵勫瓨鍣ㄨ垏8-bit鐨勬暩(sh霉)鎿�(j霉)閫�(j矛n)琛岀暟鎴�锛屼箣鍚庡皪CRC瀵勫瓨鍣ㄥ緸楂樺埌浣庨��(j矛n)琛岀Щ浣嶏紝鍦ㄤ綅锛圡SB锛夌殑浣嶇疆瑁�(b菙)闆�锛岃�屼綅锛圠SB锛岀Щ浣嶅悗宸茬稉(j墨ng)琚Щ鍑篊RC瀵勫瓨鍣級濡傛灉鐐�1锛屽墖鎶婂瘎瀛樺櫒鑸囬爯(y霉)瀹氱京鐨勫闋呭紡纰奸��(j矛n)琛岀暟鎴�锛屽惁鍓囧鏋淟SB鐐洪浂锛屽墖鐒￠渶閫�(j矛n)琛岀暟鎴�銆傞噸寰�(f霉)涓婅堪鐨勭敱楂樿嚦浣庣殑绉讳綅8娆�锛屽��8-bit鏁�(sh霉)鎿�(j霉)铏曠悊瀹岀暍锛岀敤姝ゆ檪CRC瀵勫瓨鍣ㄧ殑鍊艰垏涓嬩竴鍊�8-bit鏁�(sh霉)鎿�(j霉)鐣版垨骞堕��(j矛n)琛屽鍓嶄竴鍊嬫暩(sh霉)鎿�(j霉)浼肩殑8娆＄Щ浣�銆傛墍鏈夌殑瀛楃铏曠悊瀹屾垚鍚嶤RC瀵勫瓨鍣ㄥ収(n猫i)鐨勫�煎嵆鐐烘渶绲傜殑CRC鍊�銆�
銆�
銆�銆�1锛庤ō(sh猫)缃瓹RC瀵勫瓨鍣�锛屽苟绲﹀叾璩﹀�糉FFF(hex)銆�
銆�銆�2锛庡皣鏁�(sh霉)鎿�(j霉)鐨勫��8-bit瀛楃鑸�16浣岰RC瀵勫瓨鍣ㄧ殑浣�8浣嶉��(j矛n)琛岀暟鎴�锛屽苟鎶婄祼(ji茅)鏋滃瓨鍏RC瀵勫瓨鍣ㄣ��
銆�銆�3锛嶤RC瀵勫瓨鍣ㄥ悜鍙崇Щ涓�浣�锛孧SB瑁�(b菙)闆讹紝绉诲嚭骞舵鏌SB銆�
銆�銆�4锛庡鏋淟SB鐐�0锛岄噸寰�(f霉)绗笁姝�锛涜嫢LSB鐐�1锛孋RC瀵勫瓨鍣ㄨ垏澶氶爡寮忕⒓鐩哥暟鎴�銆�
銆�銆�5锛庨噸寰�(f霉)绗�3鑸囩4姝ョ洿鍒�8娆＄Щ浣嶅叏閮ㄥ畬鎴�銆傛鏅備竴鍊�8-bit鏁�(sh霉)鎿�(j霉)铏曠悊瀹岀暍銆�
銆�銆�6锛庨噸寰�(f霉)绗�2鑷崇5姝ョ洿鍒版墍鏈夋暩(sh霉)鎿�(j霉)鍏ㄩ儴铏曠悊瀹屾垚銆�
銆�銆�7锛庢渶绲侰RC瀵勫瓨鍣ㄧ殑鍏�(n猫i)瀹瑰嵆鐐篊RC鍊笺��
銆�銆�1銆佸皣x鐨勫啰娆＄偤R鐨勭敓鎴愬闋呭紡G(x)杞�(zhu菐n)鎻涙垚灏嶆噳(y墨ng)鐨凴+1浣嶄簩閫�(j矛n)鍒舵暩(sh霉)銆�
銆�銆�2銆佸皣淇℃伅纰煎乏绉籖浣�锛岀浉鐣�(d膩ng)鑸囧皪鎳�(y墨ng)鐨勪俊鎭闋呭紡C(x)*2R銆�
銆�銆�3銆佺敤鐢熸垚澶氶爡寮忥紙浜岄��(j矛n)鍒舵暩(sh霉)锛夊皪淇℃伅纰煎仛妯�2闄�锛屽緱鍒癛浣嶇殑浣欐暩(sh霉)銆�
銆�銆�4銆佸皣浣欐暩(sh霉)鎷煎埌淇℃伅纰煎乏绉诲悗绌哄嚭鐨勪綅缃紝寰楀埌瀹屾暣鐨凜RC纰�銆�
缍韩闆诲瓙閫�锛岄浕瀛愮煡璀�锛屼竴鏌ョ櫨閫�锛�
宸叉敹閷勮姊�153979鍊�
IC鍨嬭櫉绱㈠紩锛� A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 1 2 3 4 5 6 7 8 9
©2025 缍韩闆诲瓙甯傚牬缍�(w菐ng)锛坵ww.dzsc.com锛夈��缍�(j墨ng)鐕熻ū鍙瓑绶ㄨ櫉锛�娴橞2-20050339 鐗堟瑠(qu谩n)鑱叉槑
鍗佸叚骞村皥娉ㄦ墦閫犲劒(y艒u)璩�(zh矛)闆诲瓙鍏冨櫒浠堕噰璩肩恫(w菐ng)銆両C浜ゆ槗骞宠嚭銆�
璨峰鏈嶅嫏(w霉)鐔辩窔锛�0571-85317666 | 璨峰鏈嶅嫏(w霉)閮≦Q锛�
璩ｅ鏈嶅嫏(w霉)鐔辩窔锛�0571-85317586 | 璩ｅ鏈嶅嫏(w霉)閮≦Q锛�
