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【转载】恩智浦基于M0+内核的全新LPC800微控制器产品初探

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by LPC微控制器 on Thu Jan 10 03:02:26 CST 2013
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">转载,原文请参见(英文):<a style="font-family: Arial, sans-serif; font-size: 10pt;" href="http://www.lpcnow.com/articles/68605/first-thoughts-on-nxps-new-m0-lpc800-mcus/">http://www.lpcnow.com/articles/68605/first-thoughts-on-nxps-new-m0-lpc800-mcus/</a></span>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">
在今天的电子展上</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">恩智浦披露了其全新微控制器产品</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">——LPC800</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">系列的细节</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">这是其基于</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">ARM</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">迄今为止最小且功耗最低的内核</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif';">——</span><a href="http://www.arm.com/products/processors/cortex-m/cortex-m0plus.php" target="_blank"><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; color: windowtext; mso-font-kerning: 0pt;">ARM Cortex M0+</span></a><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">的首款</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">MCU</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">。</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">作为</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">ARM Cortex-M0</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">和</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">LPC</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">产品的长期用户,我一直都在期待能深入探究</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M0+</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">芯片的细节,发现它与其他</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">Cortex-M</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">系列相通的地方。尽管此次发布有些出人意料,但绝不会令人失望。</span>
<p class="MsoNormal" style="mso-margin-top-alt: auto; margin-bottom: 9.0pt; mso-pagination: widow-orphan; mso-outline-level: 2;"><strong><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">M0+</span></strong><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">有何不同之处</span></strong><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">?</span></strong><strong></strong>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M0+</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">芯片基于极受欢迎的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">Cortex-M0</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">内核,因此很可能会针对同一细分市场,即功率和成本敏感的嵌入式解决方案,在该解决方案中整体芯片尺寸、效率以及电池寿命是重要的考虑因素。</span>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">Thomas Ensergueix</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">在其博客帖子</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">“</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif';"><a href="http://blogs.arm.com/embedded/749-arm-cortex-m0-more-than-a-low-power-processor/" target="_blank"><span style="mso-bidi-font-family: Arial; color: windowtext; mso-font-kerning: 0pt; mso-no-proof: yes;">ARM Cortex-M0+</span><span style="font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; color: windowtext; mso-font-kerning: 0pt; mso-no-proof: yes;">:不仅仅是低功耗处理器</span></a></span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">”</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">中论述了其与</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif';">Cortex-M0</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">的</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">许多关键差别</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">但在这里仍值得重点介绍一下其中一项最大的改进。</span>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">促使</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">M0+</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">运行功耗更低的关键因素之一是全新的两级流水线。正如</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">ARM</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">在其文章“</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;"><a href="http://www.arm.com/files/pdf/Cortex-M0_Plus_Intro.pdf" target="_blank"><span style="mso-bidi-font-family: Arial; color: windowtext;">Cortex-M0+</span><span style="font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; color: windowtext;">处理器简介:低功率的终极解决方案</span></a></span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">”中所解释的那样:</span>
<p class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; margin-left: 21.0pt; mso-pagination: widow-orphan; background: #D9D9D9;"><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">这是</span><span style="font-size: 10.0pt; mso-bidi-font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">ARM</span><span style="font-size: 10.0pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">首次设计具有两级流水线架构的处理器</span><span style="font-size: 10.0pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,其</span><span style="font-size: 10.0pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">在提升性能的同时</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">维持了相同的高频率。最后的成果非常振奋人心。在</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">Dhrystone</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">循环功耗分析测试中,</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">Cortex-M0+</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">处理器消耗的动态功耗仅是现有</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">Cortex-M0</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">处理器的三分之二。</span>
<p class="MsoNormal" style="mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; margin-left: 21.0pt; mso-pagination: widow-orphan; background: #D9D9D9;"><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">...</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">通过采用两级流水线设计</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,</span><span style="font-size: 10pt; mso-bidi-font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">处理器的阴影分支得以降低,从而削减了闪存的存取次数。在微控制器所消耗的功耗中,闪存功耗往往占了很大一部分比例,因此,减少闪存的存取次数会对总体功耗产生直接的影响。</span>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">M0+</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">现在还支持单循环</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">IO</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">访问</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">(</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">相对于</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">M0</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">的双循环</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">),其</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">快速位拆裂等功能的速度可能达到</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M0</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">的两倍</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">...</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">所有这些</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">都具有较小的总占位空间和较低的功耗。这点非常重要,因为我经常发现自己倾向于通过</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M3</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">获取额外的性能提升,但是既然</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M0+</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">可在更小的内核上几乎同样有效地执行某些</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">IO</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">任务,那么我也能通过较低的总体功耗和</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">BOM</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">成本获得类似的性能。</span>
<p class="MsoNormal" style="mso-margin-top-alt: auto; margin-bottom: 9.0pt; mso-pagination: widow-orphan; mso-outline-level: 2;"><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">实施事项</span></strong><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">!</span></strong><strong></strong>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">外设与架构改进同样重要</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,它是</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">所有神奇的来源</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">也是任何事实决定的基础。</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">ARM</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">通过其内核向每家公司都提供了公平的竞争环境,但我很好奇飞思卡尔和恩智浦相比将会如何,因为正是这两家公司提供了基于全新</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M0+</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">的产品。</span>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">恩智浦的做法的确让我非常惊讶。我期待飞思卡尔和恩智浦会针对芯片的各项功能进行合理竞争,但很明显两者却用各自的芯片来解决截然不同的问题。恩智浦将</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">LPC800</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">定位为基本</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">8</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">位</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">MCU</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">的直接替代产品</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,这</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">对于如此小型和高效的内核来说非常自然</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">;</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">而飞思卡尔将其</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">M0+</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">芯片定位为更为中等级别的解决方案</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">(</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">成本和复杂性更高</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">)</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">。这非常合理,因为飞思卡尔重点关注的是</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M4</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">,它有更大的差距需要填补,而恩智浦已经很好地覆盖从</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M0</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">到</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M3</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">到</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M4</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">的整个范围(针对</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M0</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">LPC1100</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">、针对入门级</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M3</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">LPC1300</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">、针对高端</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M3</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">LPC1700</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">和</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">LPC1800</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">以及针对</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M4 DSP</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">型处理和高度嵌入式提升的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">LPC4300</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">)。</span>
<p class="MsoNormal" style="mso-margin-top-alt: auto; margin-bottom: 9.0pt; mso-pagination: widow-orphan; mso-outline-level: 2;"><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">首款真正基于</span></strong><strong><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">ARM</span></strong><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">的</span></strong><strong><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">8</span></strong><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">位替代产品</span></strong><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">?</span></strong><strong></strong>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">可能和很多人一样,我也期待与广受欢迎的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">LPC1100</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">系列相似的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M0+</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">版本</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">(</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">尽管我想这也是工作成果</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">)</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">。但是在产品发布后,恩智浦已经做出明智的决定,将其首款</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">M0+</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">芯片定位为</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">8</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">位到</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">32</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">位应用的连接桥梁,因为其已完全覆盖其余的深度嵌入式产品。</span>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">目前已经有很多关于</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">ARM</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">将统占嵌入式领域的言论</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">但现实情况是</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">8</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">位应用与入门级</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">M0</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">器件(如</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">LPC1100</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">芯片等)之间仍存在巨大的鸿沟</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,并</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">且它们无法使用</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">SW</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">或</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">MCU</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">内核。许多</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">8</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">位架构占主导地位的低成本产品仍采用</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">TSSOP</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">或</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">DIP</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">封装,通过手工或波峰焊进行装配(也有极少数例外,比如</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">DIP LPC1114</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">),但是</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">ARM</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">在很大程度上已被限定于采用</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">QFN</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">、</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">QFP</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">或</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">BGA</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">等更现代的和机器可放置的封装。价格也是一个问题,即便</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">1</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">美元的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">LPC111x</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">芯片在其刚推出时在价格上是一个突破(它们现在依然非常有价值!),但价格为</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">0.39</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">美元、采用类似</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">DIP</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">和</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">TSSOP</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">封装的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">LPC800</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">芯片一经推出,定价规则将被彻底改变。</span>
<p class="MsoNormal" style="mso-margin-top-alt: auto; margin-bottom: 9.0pt; mso-pagination: widow-orphan; mso-outline-level: 2;"><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">全新外设</span></strong><strong></strong>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">现在我终于拿到了一个早期样品</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,在我</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">迫切想了解该芯片的技术细节</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">并开始动手测试一些外设时</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">我还要提一下这款全新芯片的关键亮点</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">:</span>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">全新的</span><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">开关矩阵</span></strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">(</span><span style="text-decoration: underline;"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">简介视频</span></span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">)</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">可极大地提升灵活性</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">,只需</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">一行代码就能将任意功能轻松指定到任意引脚。</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">它的主要优势是能够通过引脚和功能的重新映射来创建小型且简洁的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">2</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">层电路板。</span>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">内核</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">IP</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">块已得到简化</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,使得</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">对</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">I2C</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">、</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">SPI</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">和</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">USART</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">的操作更加</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">轻松</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">;</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">将驱动程序添加到</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">ROM</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">中,节省了宝贵的闪存空间并避免代码膨胀</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">同时使其更适合于在低功耗情形下使用</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">(</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">比如将</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">SPI</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">时钟从核心时钟中分离,该核心时钟之前必须以</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">4</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">倍的</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">SPI</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">时钟频率运行</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">)</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">。</span>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">另外值得关注的是,该芯片还带有一个全新的<strong>模式匹配引擎</strong>(用于引脚状态组合可配置为引发中断的中断)</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">带</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">16</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">位</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">和</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">32</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">位定时器</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">/</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">计数器、用于可编程状态管理的<strong>状态可配置定时器</strong></span><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">(</span></strong><strong><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">SCT</span></strong><strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">)</span></strong><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">以及一个具有内部或外部参考电平的<strong>模拟比较器</strong>。</span>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">恩智浦在其</span><span style="text-decoration: underline;"><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;"><a href="http://www.nxp.com/news/press-releases/2012/11/nxp-revolutionizes-simplicity-with-lpc800.html"><span style="font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; color: windowtext;">官方公告</span></a></span></span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">中已经对</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-ansi-language: ZH-CN;">LPC800</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">进行了详尽的描述</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">但是我有机会通过实际硬件和代码来更加深入了解这些全新外设</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial;">,</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-ansi-language: ZH-CN;">并在此基础上就我认为可解决的问题提出了更多的想法。</span>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">我期待能够就该芯片撰写更多内容并进行实际测试</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">...</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">真正见证只有指甲那么大且采用</span><span style="font-size: 10pt; font-family: 'Arial','sans-serif'; mso-font-kerning: 0pt;">8</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">位封装的芯片的潜力究竟有多大</span><span style="font-size: 10pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt;">!</span>

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