JLink JTAG和SWD模式引脚定义
 2021.12.26    |      实用技巧    |     AilsonJack    |     暂无评论    |     102 views
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By: Ailson Jack
Date: 2021-12-26
个人博客: http://www.only2fire.com/
<p style="text-indent: 2em;">在平时使用JLink仿真器进行调试或者下载程序的时候,经常忘记JLink的引脚定义,索性我在这里记录一下,以便于以后忘记时进行参考。</p><p style="text-indent: 2em;">使用JLink的时候,有JTAG模式和SWD模式两种连接方式,自然的,这两种模式的引脚定义也有些许的差异。</p><p class="artical_littlestyle1">1.查看引脚图说明</p><p style="text-indent: 2em;">下面对JTAG模式和SWD模式引脚图的查看进行一些说明:拿着JLink仿真器,正对着20 PIN引脚的地方,槽口在上面,此时右边上面的引脚是第 1 脚,第 1 脚下面的是第 2 脚,以此类推, 具体的引脚图会在下面进行展示。<br/></p><p class="artical_littlestyle2">2.JTAG和SWD模式引脚图</p><p style="box-sizing: border-box; line-height: inherit; margin: 0.8em 0px; white-space: pre-wrap; position: relative; color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-indent: 2em;">JTAG模式的引脚图如下所示:<span style="color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 4; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"><br/></span></p><p style="text-align:center"><span style="color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important;"><img src="/uploads/AilsonJack/2021.12.26/133821180338968.png" onclick="preview_image(&#39;/uploads/AilsonJack/2021.12.26/133821180338968.png&#39;)"/></span></p><p style="box-sizing: border-box; line-height: inherit; margin: 0.8em 0px; white-space: pre-wrap; position: relative; color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-indent: 2em;"><span style="color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 4; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-wrap; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">SWD模式的引脚图如下所示:</span><span class="md-plain" style="box-sizing: border-box;"><br/></span></p><p style="text-align:center"><span class="md-plain" style="box-sizing: border-box;"><img src="/uploads/AilsonJack/2021.12.26/133821291483097.png" onclick="preview_image(&#39;/uploads/AilsonJack/2021.12.26/133821291483097.png&#39;)"/></span></p><p style="box-sizing: border-box; line-height: inherit; margin: 0.8em 0px; white-space: pre-wrap; position: relative; color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-indent: 0em;"><span class="md-plain" style="box-sizing: border-box;">对于SWD模式,主要关注如下引脚:</span></p><p class="md-end-block md-p" style="box-sizing: border-box; line-height: inherit; orphans: 4; margin: 0.8em 0px; white-space: pre-wrap; position: relative; color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span class="md-plain" style="box-sizing: border-box;">1:VCC</span></p><p class="md-end-block md-p" style="box-sizing: border-box; line-height: inherit; orphans: 4; margin: 0.8em 0px; white-space: pre-wrap; position: relative; color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span class="md-plain md-expand" style="box-sizing: border-box;">4:GND</span></p><p class="md-end-block md-p" style="box-sizing: border-box; line-height: inherit; orphans: 4; margin: 0.8em 0px; white-space: pre-wrap; position: relative; color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span class="md-plain" style="box-sizing: border-box;">7:SWDIO</span></p><p class="md-end-block md-p" style="box-sizing: border-box; line-height: inherit; orphans: 4; margin: 0.8em 0px; white-space: pre-wrap; position: relative; color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span class="md-plain" style="box-sizing: border-box;">9:SWCLK</span></p><p class="md-end-block md-p" style="box-sizing: border-box; line-height: inherit; orphans: 4; margin: 0.8em 0px; white-space: pre-wrap; position: relative; color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span class="md-plain" style="box-sizing: border-box;">15:RESET</span></p><p style="box-sizing: border-box; line-height: inherit; margin: 0.8em 0px; white-space: pre-wrap; position: relative; color: rgb(51, 51, 51); font-family: &quot;Open Sans&quot;, &quot;Clear Sans&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Segoe UI Emoji&quot;, sans-serif; font-size: 16px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-transform: none; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-indent: 2em;"><span class="md-plain" style="box-sizing: border-box;">关于JTAG和SWD模式的VCC引脚,连接的是目标板的电源(3.3V),是目标板给JLink提供的参考电压。</span></p>
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JLink JTAG和SWD模式引脚定义  |  说好一起走
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