PWM分辨率 = PWM计数器频率 / PWM频率
时间：10-02
整理：3721RD
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<p class="MsoNormal" style="MARGIN: 4.5pt 0cm="0cm" 9pt; LINE-HEIGHT: 19.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><span style="FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-bidi-font-size: 10.5pt"> 已经为设计选择好了<span lang="EN-US">PWM</span>频率，还必须确定所需的<span lang="EN-US">PWM</span>分辨率。本示例要求约<span lang="EN-US">11</span>位的分辨率，因此<span lang="EN-US">PWM</span>时钟必须工作在约<span lang="EN-US">1 GHz</span>的频率下。<span lang="EN-US"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></span></p>
<p class="MsoNormal" style="MARGIN: 4.5pt 0cm="0cm" 9pt; LINE-HEIGHT: 19.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><span style="FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-bidi-font-size: 10.5pt"> 控制算法由<span lang="EN-US">SMPS</span>软件实现，其中的核心就是<span lang="EN-US">PID</span>循环。<span lang="EN-US">PID</span>软件通常比较小，只有<span lang="EN-US">1</span>到<span lang="EN-US">2</span>页的代码，但其执行速率非常高，通常每秒可以进行几十万次迭代！<span lang="EN-US"><o:p></o:p></span></span></p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> 这样高的迭代速率要求<span lang="EN-US">PID</span>软件程序必须足够高效以使性能最佳。汇编器提供了确保“代码紧凑”的好方法。</span>
<p class="MsoNormal" style="MARGIN: 4.5pt 0cm="0cm" 9pt; LINE-HEIGHT: 19.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><span style="FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-bidi-font-size: 10.5pt"> 已经为设计选择好了<span lang="EN-US">PWM</span>频率，还必须确定所需的<span lang="EN-US">PWM</span>分辨率。本示例要求约<span lang="EN-US">11</span>位的分辨率，因此<span lang="EN-US">PWM</span>时钟必须工作在约<span lang="EN-US">1 GHz</span>的频率下。<span lang="EN-US"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></span></p>
<p class="MsoNormal" style="MARGIN: 4.5pt 0cm="0cm" 9pt; LINE-HEIGHT: 19.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" align="left"><span style="FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-bidi-font-size: 10.5pt"> 控制算法由<span lang="EN-US">SMPS</span>软件实现，其中的核心就是<span lang="EN-US">PID</span>循环。<span lang="EN-US">PID</span>软件通常比较小，只有<span lang="EN-US">1</span>到<span lang="EN-US">2</span>页的代码，但其执行速率非常高，通常每秒可以进行几十万次迭代！<span lang="EN-US"><o:p></o:p></span></span></p><span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 微软雅黑; mso-bidi-font-family: Arial; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA"> 这样高的迭代速率要求<span lang="EN-US">PID</span>软件程序必须足够高效以使性能最佳。汇编器提供了确保“代码紧凑”的好方法。</span>
不会吧！那么高频阿，
看看，好好学习