{"id":3045,"date":"2020-04-08T03:59:09","date_gmt":"2020-04-08T03:59:09","guid":{"rendered":""},"modified":"2020-04-08T12:00:20","modified_gmt":"2020-04-08T04:00:20","slug":"arm%e6%9e%b6%e6%9e%84%e4%b9%8barm%e5%86%85%e6%a0%b8%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=3045","title":{"rendered":"Arm\u67b6\u6784\u4e4bArm\u5185\u6838\u89e3\u6790"},"content":{"rendered":"

\n\t\u3000\u3000Arm<\/u> \u67b6\u6784\u5df2\u7ecf\u4e3b\u5bfc\u4e86\u5f53\u4eca\u5d4c\u5165\u5f0f\u5904\u7406\u548c\u8ba1\u7b97\u5e02\u573a\uff0c\u4f46\u5728\u8fc7\u53bb\u7684\u51e0\u5341\u5e74\u91cc\uff0cArm \u67b6\u6784\u5374\u8d70\u8fc7\u4e86\u6f2b\u957f\u7684\u9053\u8def\u3002\u4ece20\u4e16\u7eaa80\u5e74\u4ee3\u5f00\u59cb\uff0c\u5b83\u8d77\u521d\u662f\u4f5c\u4e3a\u5bb6\u7528\u7535\u8111\u5904\u7406\u5668\uff0c\u7136\u540e\u572820\u4e16\u7eaa90\u5e74\u4ee3\u6210\u4e3a\u624b\u673a\u82af\u7247\u7684\u57fa\u7840\u3002\u5982\u4eca\uff0c\u5728\u51e0\u4e4e\u6240\u6709\u6280\u672f\u7ec6\u5206\u5e02\u573a\uff0cArm\u90fd\u662f\u4e00\u4e2a\u5f3a\u6709\u529b\u7684\u7ade\u4e89\u8005\u3002\u8bb8\u591a\u4eba\u8ba4\u4e3a\uff0cArm \u67b6\u6784\u5df2\u6210\u4e3a 32 \u4f4d\u6216 64 \u4f4d\u5904\u7406\u5668\u7684\u9996\u9009\u3002\u7531\u4e8e\u8fd9\u79cd\u5e7f\u6cdb\u5e94\u7528\uff0c\u73b0\u5728\u5df2\u7ecf\u6709\u6210\u5343\u4e0a\u4e07\u79cd\u57fa\u4e8eArm\u67b6\u6784\u7684\u53d8\u4f53\u3002\u4e86\u89e3\u8fd9\u4e9b\u5185\u6838\u5f7c\u6b64\u4e4b\u95f4\u7684\u4e0d\u540c\u662f\u505a\u51fa\u9009\u62e9\u51b3\u7b56\u7684\u91cd\u8981\u4e00\u73af\u3002<\/p>\n

\n\t <\/div>\n

\n\t\u3000\u3000\u65e9\u5728 2004 \u5e74\uff0c\u6700\u521d\u7684 Corte<\/u>x \u5bb6\u65cf\u5c31\u4f7f Arm\u67b6\u6784\u5206\u5316\u4e3a\u4e09\u4e2a\u5185\u6838\u4ea7\u54c1\u7ec4\uff0c\u6bcf\u4e2a\u4ea7\u54c1\u7ec4\u90fd\u9488\u5bf9\u4e0d\u540c\u7c7b\u578b\u7684\u5e94\u7528\u3002\u6700\u65e9\u96c6\u6210\u5230\u82af\u7247\u7684\u662fCortex-M\uff0c\u5b83\u5df2\u6210\u4e3a\u57fa\u4e8eArm\u5fae\u63a7\u5236\u5668\uff08MCU<\/u>\uff09\u751f\u6001\u7cfb\u7edf\u7684\u652f\u67f1\u3002\u5c3d\u7ba1Cortex-M\u7cfb\u5217\u9996\u6b21\u63a8\u51fa\u7684\u662f\u57fa\u4e8e\u7248\u672c7\u67b6\u6784\u7684\u5185\u6838\uff0c\u4f46\u540e\u6765\u9488\u5bf9\u8d85\u4f4e\u6210\u672c\u8bbe\u5907\uff08\u5373M0\u3001M0+\u548cM1\uff09\u7684\u65b0\u4ea7\u54c1\u5219\u662f\u57fa\u4e8e\u65e9\u671f\u7248\u672c6\u67b6\u6784\u3002\u6240\u6709Cortex-M\u5904\u7406\u5668\u4ec5\u6267\u884cThumb\u6307\u4ee4\u96c6\u3002\u53e6\u5916\u4e24\u4e2a\u7cfb\u5217\u88ab\u8bbe\u8ba1\u4e3a\u652f\u6301Thumb\u548c\u5b8c\u6574\u7684A32\u6307\u4ee4\u96c6\u3002<\/p>\n

\n\t\"Arm\u67b6\u6784\u4e4bArm\u5185\u6838\u89e3\u6790\"<\/p>\n

\n\t\u3000\u3000\u56fe1\uff1aSilicon Labs<\/u>\u7684EFM Ti<\/u>ny Gecko\uff08\u5c0f\u58c1\u864e\uff09\u3002<\/p>\n

\n\t\u3000\u3000\u81ea\u63a8\u51fa\u4ee5\u6765\uff0cCortex-M3\u5df2\u7ecf\u5f97\u5230\u8bb8\u591aMCU\u4f9b\u5e94\u5546\u7684\u91c7\u7528\uff0cCortex-M3\u5185\u6838\u5e2e\u52a9\u8fd9\u4e9bMCU\u5382\u5546\u5b9a\u4e49\u517632\u4f4d\u4ea7\u54c1\u3002\u73b0\u5728\u5e02\u573a\u53ef\u7528\u7684MCU\u5305\u62ec\u76f8\u5bf9\u7b80\u5355\u4f46\u53c8\u5177\u5907\u9ad8\u6027\u4ef7\u6bd4\u7684\u4ea7\u54c1\uff0c\u4f8b\u5982\u9488\u5bf9\u4f4e\u529f\u8017\u7cfb\u7edf\u7684Silicon Labs \u7684 EFM TIny Gecko\uff0c\u4ee5\u53ca\u8d5b\u666e\u62c9\u65af<\/u>\uff08Cypress<\/u>\uff09\u534a\u5bfc\u4f53\u7684 PSoC<\/u>5\u7247\u4e0a\u7cfb\u7edf\uff0c\u5b83\u4f7f\u4f20\u7edf\u7684MCU\u5916\u8bbe\u4e0e\u9ad8\u5ea6\u7075\u6d3b\u7684\u53ef\u7f16\u7a0b\u6a21\u62df\u529f\u80fd\u7ed3\u5408\u5728\u4e00\u8d77\u3002<\/p>\n

\n\t\u3000\u3000\u968f\u7740MCU\u5e94\u7528\u5f00\u59cb\u8981\u6c42\u63d0\u4f9b\u66f4\u9ad8\u7684\u6570\u5b57\u4fe1\u53f7\u5904\u7406\uff08DSP<\/u>\uff09\u6027\u80fd\uff0cArm\u63a8\u51faCortex-M4\u4ee5\u6ee1\u8db3\u5e02\u573a\u7684\u9700\u6c42\u3002\u8be5\u5185\u6838\u53ef\u4e3a\u6d6e\u70b9\u8fd0\u7b97\u63d0\u4f9b\u652f\u6301\uff0c\u5f97\u5230\u8bb8\u591a\u5382\u5546\u7684\u91c7\u7528\u3002\u4e00\u79cd\u5e38\u89c1\u7684\u914d\u7f6e\u662f\u5c06\u5f3a\u5927\u7684Cortex-M4F\u5185\u6838\u4e0e\u8f83\u4e3a\u7b80\u5355\u7684Cortex-M0\u6216Cortex-M0+\u6574\u5408\u5728\u4e00\u8d77\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u9ad8\u6548\u7684\u7535\u6e90\u7ba1\u7406<\/u>\u548c\u8d44\u6e90\u5206\u914d\u3002<\/p>\n

\n\t\u3000\u3000\u5728\u8d5b\u666e\u62c9\u65af PSoC6 \u6216\u6069\u667a\u6d66\uff08NXP<\/u>\uff09LPC<\/u>5411x\u7b49\u5668\u4ef6\u4e2d\uff0cM0+\u5185\u6838\u53ef\u4ee5\u5904\u7406\u4e2d\u65ad\uff08interrupts\uff09\uff0c\u4f7fM4\u6216M4F\u53ef\u81ea\u7531\u5904\u7406 DSP \u4efb\u52a1\uff0c\u800c\u4e0d\u4f1a\u4ea7\u751f\u4e2d\u65ad\uff0c\u4ece\u800c\u80fd\u591f\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u6570\u636e\u541e\u5410\u91cf\u3002\u8fd9\u79cd\u8d23\u4efb\u5212\u5206\u4e5f\u4f7f\u66f4\u5f3a\u5927\u7684M4\u5185\u6838\u80fd\u591f\u5728\u6d3b\u52a8\u7a81\u53d1\u4e4b\u95f4\u8fdb\u884c\u8f83\u957f\u65f6\u95f4\u7761\u7720\u3002\u4f4e\u529f\u8017M0+ \u53ef\u5728\u76f8\u5bf9\u6709\u9650\u7684\u8fd0\u884c\u671f\u95f4\u5904\u7406\u6bd4\u8f83\u7b80\u5355\u7684\u7cfb\u7edf\u7ba1\u7406\u4efb\u52a1\u3002<\/p>\n

\n\t\"Arm\u67b6\u6784\u4e4bArm\u5185\u6838\u89e3\u6790\"<\/p>\n

\n\t\u3000\u3000\u56fe 2\uff1a\u6765\u81ea\u8d5b\u666e\u52d2\u65af\u534a\u5bfc\u4f53\u7684 PSoC6\u3002<\/p>\n

\n\t\u3000\u30002014 \u5e74\uff0cArm\u63a8\u51fa\u4e86M7\u5185\u6838\uff0c\u5c06 Cortex-M \u7684\u6027\u80fd\u63d0\u9ad8\u5230\u65b0\u7684\u5c42\u7ea7\u3002\u6b64\u5185\u6838\u91c7\u7528\u516d\u7ea7\u8d85\u6807\u91cf\uff08supers<\/u>calar\uff09\u6d41\u6c34\u7ebf\u67b6\u6784\uff0c\u652f\u6301\u4e71\u5e8f\u64cd\u4f5c\uff0c\u5e76\u901a\u8fc7\u5b8c\u6574\u7684\u6d6e\u70b9\u8fd0\u7b97\u5355\u5143\u6765\u8fdb\u4e00\u6b65\u589e\u5f3a\u3002\u610f\u6cd5\u534a\u5bfc\u4f53<\/u>\u7684STM32<\/u>F730x8\u96c6\u6210\u4e86M7\u5185\u6838\u3001\u5404\u79cd\u5916\u8bbe\u548c\u516c\u53f8\u4e13\u6709\u7684ART\u52a0\u901f\u5668\u6280\u672f\uff08\u80fd\u591f\u5b9e\u73b0\u95ea\u5b58\u7684\u96f6\u7b49\u5f85\u72b6\u6001\u6267\u884c\uff09\u3002<\/p>\n

\n\t\u3000\u3000Cortex-A<\/strong><\/p>\n

\n\t\u3000\u30002005 \u5e74\uff0c\u51fa\u4e8e\u6ee1\u8db3\u624b\u673a\u4e1a\u52a1\u5411\u667a\u80fd\u624b\u673a\u548c\u5e73\u677f\u7535\u8111\u65b9\u5411\u53d1\u5c55\u7684\u9700\u6c42\u53d8\u5316\uff0cArm\u63a8\u51fa\u4e86Cortex-A\u5bb6\u65cf\u7684\u9996\u4e2a\u6210\u5458\u3002Cortex-A \u65e8\u5728\u63d0\u4f9b\u4e00\u7cfb\u5217\u9488\u5bf9\u5e94\u7528\u5904\u7406\u5668\u5b9a\u5236\u7684\u529f\u80fd\uff0c\u4e5f\u4e3a\u5728\u670d\u52a1\u5668\u548c\u5176\u4ed6\u9ad8\u7aef\u8ba1\u7b97\u7cfb\u7edf\u4e2d\u90e8\u7f72 Arm\u5185\u6838\u94fa\u5e73\u4e86\u9053\u8def\u3002<\/p>\n

\n\t\u3000\u3000Cortex-A \u5904\u7406\u5668\u4e0e\u5176\u4ed6\u7cfb\u5217\u5904\u7406\u5668\u4e4b\u95f4\u7684\u4e00\u4e2a\u4e3b\u8981\u533a\u522b\u662f\u652f\u6301\u5206\u9875\u5185\u5b58\u7ba1\u7406\u5355\u5143\uff08MMU\uff09\u3002Linux<\/u>\u548c\u7c7b\u4f3c\u7684\u64cd\u4f5c\u7cfb\u7edf\u90fd\u9700\u8981MMU\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u5c06\u7a0b\u5e8f\u53ca\u5176\u6570\u636e\u5728\u73b0\u5b9e\u5185\u5b58\u4e2d\u6620\u5c04\u5230\u4e0d\u540c\u865a\u62df\u5730\u5740\u7a7a\u95f4\uff0c\u8fd9\u63d0\u4f9b\u4e86\u4e00\u5b9a\u7a0b\u5ea6\u7684\u5b89\u5168\u4fdd\u62a4\u529f\u80fd\uff0c\u53ef\u9632\u6b62\u4e0d\u540c\u4efb\u52a1\u4f7f\u7528\u7684\u6570\u636e\u88ab\u7834\u574f\uff0c\u6b64\u5916\u8fd8\u80fd\u591f\u5c06\u7269\u7406\u5185\u5b58\u89c6\u4e3a\u5927\u578b\u7f13\u5b58\u3002\u5c3d\u7ba1\u7a0b\u5e8f\u662f\u52a8\u6001\u52a0\u8f7d\u548c\u5378\u8f7d\uff0c\u5b83\u8fd8\u80fd\u591f\u907f\u514d\u5185\u5b58\u788e\u7247\u5316\u5f15\u8d77\u7684\u95ee\u9898\u3002<\/p>\n

\n\t\u3000\u3000\u4f7f\u7528\u5206\u9875\u865a\u62df\u5730\u5740\u7684\u4e00\u4e2a\u6f5c\u5728\u7f3a\u70b9\u662f\u5b83\u4eec\u53ef\u80fd\u5e72\u6270\u5b9e\u65f6\u64cd\u4f5c\uff0c\u56e0\u6b64\u5728Cortex-A\u5904\u7406\u5668\u4e2d\u589e\u52a0\u4e86MMU\uff0c\u4f46\u5728\u5177\u6709\u66f4\u5f3a\u5d4c\u5165\u5f0f\u7cfb\u7edf\u529f\u80fd\u7684\u4ea7\u54c1\u7cfb\u5217\u4e2d\u5374\u6ca1\u6709\u3002Cortex-A\u67b6\u6784\u4ece\u8bde\u751f\u4e4b\u521d\u7684\u4e00\u4e2a\u5173\u952e\u521b\u65b0\u662fTrustZone\uff0c\u7531\u6b64\u53ef\u5b9e\u73b0\u4e00\u4e2a\u57fa\u4e8e\u786c\u4ef6\u7684\u5b89\u5168\u5c42\uff0c\u5982\u679c\u6ca1\u6709\u6240\u9700\u7684\u5b89\u5168\u8bc1\u4e66\uff0c\u865a\u62df\u8bbe\u5907\u7ba1\u7406\u5668\uff08hypervisor\uff09\u80fd\u591f\u62d2\u7edd\u4efb\u4f55\u4efb\u52a1\u5bf9\u5904\u7406\u5668\u548c\u5185\u5b58\u67d0\u4e9b\u90e8\u5206\u7684\u8bbf\u95ee\u3002TrustZone\u53ef\u5c06\u52a0\u5bc6\u64cd\u4f5c\u548c\u5176\u4ed6\u654f\u611f\u64cd\u4f5c\u7eb3\u5165\u53d7\u786c\u4ef6\u9632\u706b\u5899\u4fdd\u62a4\u7684\u865a\u62df\u5904\u7406\u5668\u3002<\/p>\n

\n\t\u3000\u3000\u5728\u5185\u6838\u65b9\u9762\uff0c\u8303\u56f4\u4ece\u76f8\u5bf9\u7b80\u5355\u7684Cortex-A5\u5230\u9ad8\u6027\u80fd\u8d85\u6807\u91cf\u5904\u7406\u5668\uff0c\u5982Cortex-A72\u6574\u5408\u4e86\u540c\u65f6\u53d1\u51fa\u4e09\u4e2a\u6307\u4ee4\u7684\u80fd\u529b\u548c\u6267\u884c\u65e0\u5e8f\u64cd\u4f5c\uff0c\u7b80\u5316\u4e86\u8c03\u5ea6\u4ee5\u5b9e\u73b0\u6700\u9ad8\u6548\u7387\u3002<\/p>\n

\n\t\u3000\u3000Cortex-A\u5bb6\u65cf\u7684\u7b2c\u4e8c\u4e2a\u91cd\u5927\u521b\u65b0\u662fLITTLE\u6846\u67b6\uff0c\u5b83\u662f\u57282011\u5e74\u63a8\u51fa\uff0c\u8fd9\u4e3b\u8981\u53cd\u6620\u4e86\u9488\u5bf9\u5e94\u7528\u5904\u7406\u5668\u5e02\u573a\u7684M4\u5f15\u5165\u540e\u4e0d\u540cCortex-M\u5185\u6838\u7684\u8026\u5408<\/u>\uff0c\u589e\u5f3a\u4e86\u652f\u6301\u5e94\u7528\u5904\u7406\u5668\u9700\u6c42\u7684\u5176\u4ed6\u529f\u80fd\u3002<\/p>\n

\n\t\u3000\u3000\u5bf9\u4e8e\u8f83\u5927LITTLE\uff0cArm\u91c7\u7528\u4e86\u5c06\u4f4e\u7aef\u5185\u6838\uff08\u5982A5\u6216A7\uff09\u4e0e\u9ad8\u6027\u80fd\uff0c\u4e14\u901a\u5e38\u662f\u8d85\u6807\u91cf\u5b9e\u65bd\u76f8\u7ed3\u5408\u7684\u65b9\u6cd5\u3002\u5728\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u4fdd\u6301\u4f4e\u529f\u8017\u5904\u7406\u5668\u7684\u6d3b\u52a8\u65f6\u95f4\u5c3d\u53ef\u80fd\u957f\uff0c\u7136\u540e\u5728\u5de5\u4f5c\u8d1f\u8f7d\u8d85\u8fc7\u7279\u5b9a\u9608\u503c\u65f6\u624d\u6fc0\u6d3b\u9ad8\u529f\u7387\u5185\u6838\u3002\u4e0e\u4f20\u7edf\u7684\u53cc\u6838\u67b6\u6784\u4e0d\u540c\uff0c\u4efb\u52a1\u53ef\u4ee5\u6839\u636e\u7cfb\u7edf\u6761\u4ef6\u4ece\u4e00\u4e2a\u5904\u7406\u5668\u8fc1\u79fb\u5230\u53e6\u4e00\u4e2a\u5904\u7406\u5668\u3002\u968f\u7740\u5bf9\u6027\u80fd\u9700\u6c42\u7684\u589e\u52a0\uff0c\u8d8a\u6765\u8d8a\u591a\u7684Cortex-A\u5b9e\u65bd\u90fd\u662f\u56f4\u7ed5\u5904\u7406\u5668\u590d\u5408\u4f53\u91c7\u7528\u56db\u4e2a\u9ad8\u7aef\u5185\u6838\u3002\u901a\u8fc7\u5728\u6027\u80fd\u8981\u6c42\u6bd4\u8f83\u5e73\u9759\u7684\u671f\u95f4\u5173\u95ed\u4e00\u4e2a\u6216\u591a\u4e2a\u5185\u6838\uff0c\u8fd9\u79cd\u5b89\u6392\u53ef\u4ee5\u8282\u7701\u529f\u7387\u3002<\/p>\n

\n\t\u3000\u3000Cortex-R<\/strong><\/p>\n

\n\t\u3000\u3000Cortex-R\u662fArm\u516c\u53f8\u7b2c\u4e09\u5927\u7cfb\u5217\u5185\u6838\uff0c\u901a\u8fc7\u91c7\u7528\u5b9e\u65f6\u4e14\u9ad8\u5ea6\u53ef\u9760\u7684\u529f\u80fd\uff0c\u80fd\u591f\u652f\u6301\u65b0\u4e00\u4ee3\u590d\u6742\u7684\u6c7d\u8f66\u548c\u7f51\u7edc\u7cfb\u7edf\u3002\u5728\u4e00\u4e9b\u76ee\u6807\u5e94\u7528\u4e2d\u9700\u8981\u4e00\u4e9b\u786e\u5b9a\u6027\u6027\u80fd\uff0c\u610f\u5473\u7740\u901a\u5e38\u7528\u4e8e\u52a0\u5feb\u5176\u4ed6 Arm \u5904\u7406\u5668\u7684\u7f13\u5b58\u5e76\u4e0d\u603b\u662f\u6700\u4f73\u65b9\u6848\u3002\u7531\u4e8e\u7f13\u5b58\u4f1a\u52a8\u6001\u5730\u5c06\u6307\u4ee4\u548c\u6570\u636e\u503c\u66ff\u6362\u4e3a\u6700\u8fd1\u4f7f\u7528\u7684\u6761\u76ee\uff0c\u56e0\u6b64\uff0c\u5f53\u4e2d\u65ad\u670d\u52a1\u4f8b\u7a0b\u6216\u5b9e\u65f6\u4efb\u52a1\u9700\u8981\u65f6\uff0c\u5173\u952e\u4fe1\u606f\u53ef\u80fd\u4e0d\u5728\u7f13\u5b58\u4e2d\u3002Cortex-R\u5bb6\u65cf\u901a\u8fc7\u652f\u6301\u7d27\u5bc6\u8026\u5408\u5b58\u50a8\u5668<\/u>\uff08TCM\uff09\u5e93\u514b\u670d\u4e86\u8fd9\u4e00\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u5173\u952e\u4fe1\u606f\u53ef\u4ee5\u5728\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u5b58\u50a8<\/u>\u5728\u5176\u4e2d\uff0c\u5e76\u4e14\u901a\u8fc7\u8f6f\u4ef6\u7ba1\u7406\uff0c\u907f\u514d\u4e86\u6307\u4ee4\u548c\u6570\u636e\u88ab\u7f13\u5b58\u7ba1\u7406\u5b50\u7cfb\u7edf\u66ff\u6362\u7684\u98ce\u9669\u3002<\/p>\n

\n\t\u3000\u3000\u81ea\u4ece\u6700\u521d\u7684Cortex-R4\u8bde\u751f\u4ee5\u6765\uff0c\u8fd9\u4e2a\u5bb6\u65cf\u5df2\u7ecf\u53d1\u751f\u4e86\u5f88\u591a\u8fdb\u5316\uff0c\u5176\u4e2dCortex-R5\u548cR7\u5185\u6838\u5177\u6709\u4f4e\u5ef6\u8fdf\u5916\u56f4\u7aef\u53e3\u3002\u5927\u591a\u6570\u5185\u6838\u90fd\u8bbe\u8ba1\u4e3a\u4e0eArm \u786c\u4ef6\u603b\u7ebf \uff08AHB\uff09\u7b49\u7247\u4e0a\u603b\u7ebf\u914d\u5408\u4f7f\u7528\uff0c\u6216\u8005\u5728\u6700\u8fd1\u7684\u5185\u6838\u4e2d\uff0c\u7ed3\u5408\u4f7f\u7528\u9ad8\u7ea7\u53ef\u6269\u5c55\u63a5\u53e3<\/u>\uff08AXI\uff09\u57fa\u7840\u67b6\u6784\u3002\u4f4e\u5ef6\u8fdf\u7aef\u53e3\u5c06\u5185\u6838\u76f4\u63a5\u8fde\u63a5\u5230\u91cd\u8981\u7684\u5916\u56f4\u8bbe\u5907\uff0c\u65e0\u9700\u5bf9\u603b\u7ebf\u8fdb\u884c\u4ef2\u88c1\uff0c\u6216\u7b49\u5f85\u5176\u4ed6\u603b\u7ebf\u8bbf\u95ee\u6d3b\u52a8\u5b8c\u6210\uff0c\u5373\u53ef\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n

\n\t\u3000\u3000\u4e3a\u4e86\u652f\u6301\u9ad8\u5ea6\u53ef\u9760\u7684\u64cd\u4f5c\uff0cCortex-R\u5185\u6838\u4e0a\u7684\u7f13\u5b58\u3001TCM \u548c\u7cfb\u7edf\u603b\u7ebf\u53ef\u4ee5\u4f7f\u7528\u9519\u8bef\u4fee\u6539\u7f16\u7801\u6765\u900f\u660e\u5730\u66f4\u6b63\u5355\u4f4d\uff08single-bit\uff09\u9519\u8bef\u5e76\u68c0\u6d4b\u53cc\u4f4d\u9519\u8bef\u3002\u7531\u4e8e\u6a21\u5757\u5316<\/u>\u5197\u4f59\u662f\u5b89\u5168\u5173\u952e\u578b\u7cfb\u7edf\u7684\u6838\u5fc3\u90e8\u5206\uff0cCortex-R \u7cfb\u5217\u5185\u6838\u8bbe\u8ba1\u4e3a\u53ef\u4f7f\u7528\u526f\u672c\u5728\u9501<\/u>\u5b9a\u6b65\u9aa4\u4e2d\u5de5\u4f5c\u3002\u5982\u679c\u7247\u4e0a\u76d1\u89c6\u5668\u68c0\u6d4b\u5230\u8f93\u51fa\u5dee\u5f02\uff0c\u5b83\u53ef\u4ee5\u8b66\u544a\u5b58\u5728\u7684\u95ee\u9898\uff0c\u4ee5\u4fbf\u8f6f\u4ef6\u80fd\u591f\u91c7\u53d6\u7ea0\u6b63\u63aa\u65bd\u3002\u91c7\u7528Cortex-R \u7cfb\u5217\u800c\u751f\u4ea7\u7684\u4e00\u4e2a\u82af\u7247\u4f8b\u8bc1\u662f\u8d5b\u666e\u62c9\u65af\u534a\u5bfc\u4f53\u7684Traveo S6J33xx\u7cfb\u5217 MCU\uff0c\u5b83\u96c6\u6210\u6709Cortex-R5F\u5185\u6838\uff0c\u8fd0\u884c\u5728\u9ad8\u8fbe240MHz\u7684\u9891\u7387\uff0c\u5e76\u96c6\u6210\u6709\u9488\u5bf9\u6c7d\u8f66\u4eea\u8868\u677f\u4e2d\u9a71\u52a8\u4eea\u8868\u7fa4\u96c6\u800c\u4f18\u5316\u7684\u5916\u56f4\u8bbe\u5907\u3002<\/p>\n

\n\t\u3000\u3000Arm v8<\/strong><\/p>\n

\n\t\u3000\u3000\u57282011 \u5e74\uff0c\u968f\u7740\u7248\u672c8\u4f53\u7cfb\u67b6\u6784\u7684\u521b\u5efa\uff0c\u8fce\u6765\u4e86Arm\u5185\u6838\u4ea7\u54c1\u7684\u7b2c\u4e8c\u6ce2\u66f4\u6539\uff0c\u5305\u62ec\u589e\u5f3a\u4e86\u5177\u4f53\u5e94\u7528\u572864\u4f4d\u6a21\u5f0f\u4e0b\u8fd0\u884c\u7684\u80fd\u529b\uff0c\u6781\u5927\u5730\u6269\u5c55\u4e86\u5e94\u7528\u5904\u7406\u5668\u7684\u6700\u5927\u53ef\u5bfb\u5740\u5185\u5b58\u7a7a\u95f4\u3002\u5177\u670964\u4f4d\u80fd\u529b\u7684Arm v8 \u5904\u7406\u5668\u53ef\u4ee5\u5728 32\u4f4d\u6216 64\u4f4d\u6a21\u5f0f\u4e0b\u8fd0\u884c\u300232\u4f4d\u8fd0\u884c\u4e0e\u4e3a\u7248\u672c7\u5904\u7406\u5668\u7f16\u5199\u7684\u5e94\u7528\u63d0\u4f9b\u5411\u540e\u517c\u5bb9\u6027\u3002\u7531\u4e8eCortex-M \u7cfb\u5217\u4e2d\u7684\u7248\u672c8\u5904\u7406\u5668\u4e13\u6ce8\u4e8eMCU\u5e94\u7528\uff0c\u56e0\u800c\u4e0d\u652f\u630164\u4f4d\u5bfb\u5740\u3002\u4f46\u662f\uff0c\u5b83\u4eec\u786e\u5b9e\u589e\u52a0\u4e86\u8bb8\u591a\u989d\u5916\u7684\u6307\u4ee4\u548c\u529f\u80fd\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u5e76\u589e\u5f3a\u5b89\u5168\u64cd\u4f5c\u3002<\/p>\n

\n\t\u3000\u3000\u5176\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u8fdb\u6b65\u662f\u91cd\u65b0\u8bbe\u8ba1\u7684\u5185\u5b58\u4fdd\u62a4\u5355\u5143\uff08MPU\uff09\uff0c\u5b83\u5141\u8bb8\u66f4\u7075\u6d3b\u5730\u7ba1\u7406\u5206\u533a\u3002\u53e6\u4e00\u4e2a\u662f\u5b8c\u5168\u652f\u6301\u4ec5\u6267\u884c\u5185\u5b58\uff08execute-only-memory\uff09\uff0c\u4ee5\u5e2e\u52a9\u9632\u6b62\u53cd\u5411\u5de5\u7a0b\u548c\u9ed1\u5ba2\u653b\u51fb\u3002\u4f46\u662f\uff0c\u5b89\u5168\u6027\u65b9\u9762\u6700\u5927\u7684\u53d8\u5316\u662f\u652f\u6301\u4e13\u95e8\u9488\u5bf9\u6df1\u5ea6\u5d4c\u5165\u5f0f\u5904\u7406\u5668<\/u>\u800c\u4f18\u5316\u7684TrustZone\u673a\u5236\u3002<\/p>\n

\n\t\u3000\u3000\u5bf9\u4e8eCortex-M \u7248\u672c\u4e2dTrustZone\uff0c\u65e0\u9700\u8f6f\u4ef6\u865a\u62df\u8bbe\u5907\u7ba1\u7406\u5668\u6765\u7ba1\u7406\u5b89\u5168\u72b6\u6001\u548c\u975e\u5b89\u5168\u72b6\u6001\u4e4b\u95f4\u7684\u8f6c\u6362\u3002\u76f8\u53cd\uff0c\u53ef\u4f7f\u7528\u4e13\u7528\u6307\u4ee4\u4ece\u4e0d\u5b89\u5168\u7684\u4efb\u52a1\u4f20\u9012\u6570\u636e\u5230\u5b89\u5168\u7684\u529f\u80fd\uff0c\u4ee5\u4fdd\u62a4\u5141\u8bb8\u5728\u7279\u6743\u6a21\u5f0f\u4e0b\u8fd0\u884c\u3002\u5982\u679c\u6ca1\u6709\u6b63\u786e\u7684\u6743\u9650\uff0c\u5373\u4f7f\u9ad8\u4f18\u5148\u7ea7\u4e2d\u65ad\u4e5f\u65e0\u6cd5\u8bfb\u53d6\u5230\u5bc4\u5b58\u5668<\/u>\u4e2d\u7684\u5b89\u5168\u6570\u636e\u3002\u5b89\u5168\u529f\u80fd\u5141\u8bb8\u521b\u5efa\u4fdd\u62a4\u826f\u597d\u7684 IoT<\/u> \u8bbe\u5907\uff0c\u8fd9\u4e9b\u90fd\u53ef\u4ee5\u901a\u8fc7\u57fa\u4e8eCortex-M23\u548cCortex-M33\u7b49\u5185\u6838\u7684MCU\u5b9e\u73b0\u3002<\/p>\n

\n\t\u3000\u3000Microchip<\/u>\u7684 SAML11 MCU\u91c7\u7528\u4e86Cortex-M23\u589e\u5f3a\u578b\u7247\u4e0a\u52a0\u5bc6\u63a7\u5236\u5668\uff0c\u53ef\u4e3a\u4f20\u611f\u5668<\/u>\u8282\u70b9\u548c\u7c7b\u4f3c\u8bbe\u8ba1\u63d0\u4f9b\u786c\u4ef6\u5b89\u5168\u4fdd\u8bc1\u3002Nordic Semi<\/u>conductor\u7684nRF<\/u>9160\u91c7\u7528Cortex-M33\u6765\u63d0\u4f9b\u9700\u8981\u5b89\u5168\u5c04\u9891<\/u>\u901a\u4fe1\u7684\u5668\u4ef6\u5904\u7406\u529f\u80fd\u3002<\/p>\n

\n\t\"Arm\u67b6\u6784\u4e4bArm\u5185\u6838\u89e3\u6790\"<\/p>\n

\n\t\u3000\u3000\u56fe 3\uff1aMicrochip\u516c\u53f8\u7684 SAML11 MCU \u793a\u4f8b\u3002<\/p>\n

\n\t\u3000\u3000\u7ed3\u8bba<\/strong><\/p>\n

\n\t\u3000\u3000\u6beb\u65e0\u7591\u95ee\uff0cArm\u662f\u5168\u7403\u7535\u5b50\u884c\u4e1a\u4e2d\u6700\u4f1f\u5927\u7684\u6210\u529f\u6848\u4f8b\u4e4b\u4e00\u3002\u4e3a\u4e86\u6ee1\u8db3\u8bb8\u591a\u4e0d\u540c\u5e02\u573a\u7684\u9700\u6c42\uff0cArm\u63d0\u4f9b\u7684\u5e7f\u6cdb\u4ea7\u54c1\u7ec4\u5408\u7ee7\u7eed\u5411\u591a\u4e2a\u65b9\u5411\u6269\u5c55\u3002Cortex-A\u3001Cortex-M\u548cCortex-R\u7b49\u7ec6\u5206\u4ea7\u54c1\u7cfb\u5217\u7684\u8fdb\u4e00\u6b65\u533a\u5206\uff0c\u5df2\u8bc1\u660e\u662f\u8fd9\u79cd\u5feb\u901f\u589e\u957f\u7684\u57fa\u7840\uff0c\u5e76\u4e14\u5c06\u7ee7\u7eed\u63a8\u52a8Arm\u5185\u6838\u5728\u4e0d\u65ad\u51fa\u73b0\u7684\u65b0\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Arm \u67b6\u6784\u5df2\u7ecf\u4e3b\u5bfc\u4e86\u5f53\u4eca\u5d4c\u5165\u5f0f\u5904\u7406\u548c\u8ba1\u7b97\u5e02\u573a\uff0c\u4f46\u5728\u8fc7\u53bb\u7684\u51e0\u5341\u5e74\u91cc\uff0cArm \u67b6\u6784\u5374\u8d70\u8fc7\u4e86\u6f2b\u957f\u7684\u9053\u8def\u3002\u4ece20\u4e16\u7eaa80\u5e74\u4ee3\u5f00\u59cb\uff0c\u5b83\u8d77\u521d\u662f\u4f5c\u4e3a\u5bb6\u7528\u7535\u8111\u5904\u7406\u5668\uff0c\u7136\u540e\u572820\u4e16\u7eaa90\u5e74\u4ee3\u6210\u4e3a\u624b\u673a\u82af<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/3045"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3045"}],"version-history":[{"count":0,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/3045\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3045"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}