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cellspacing="0" cellpadding="0" class="post_cover_postcontent"><tr><td class="t_f" id="postmessage_14347752"> 想给51单片机设计一个OTA升级,如何设计?<br /> </td></tr></table> <a class="post_cover" href="javascript:void(0)" onclick="jQuery.getScript('https://my.21ic.com/api.php?mod=login_box&amp;forcelogin=1&amp;referer='+location.href);return false;"></a> </div> <div class="po hin post_bubble_btns"> <div class="pob cl"> <p> <a href="javascript:;" id="mgc_post_14347752" onmouseover="showMenu(this.id)" class="showmenu">使用特权</a> </p> <em> <a rel="nofollow" class="cmmnt" href="forum.html?mod=misc&amp;action=comment&amp;tid=3415228&amp;pid=14347752&amp;extra=page%3D1&amp;page=1" onclick="showWindow('comment', this.href, 'get', 0)">评论</a><a rel="nofollow" class="fastre" href="post.html?action=reply&amp;fid=250&amp;tid=3415228&amp;reppost=14347752&amp;extra=page%3D1&amp;page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyreward" 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id="g_up14349790_menu" class="tip tip_4" style="display: none;"><div class="tip_horn"></div><div class="tip_c">初级技术员, 积分 36, 距离下一级还需 64 积分</div></div> <p class="user_popbox_progress"><span class="pbg2" id="upgradeprogress_14349790" title="初级技术员, 积分 36, 距离下一级还需 64 积分"><span class="pbr2" style="width:20%;"></span></span></p> <div id="g_up14349790_menu" class="tip tip_4" style="display: none;"><div class="tip_horn"></div><div class="tip_c">初级技术员, 积分 36, 距离下一级还需 64 积分</div></div> <dl class="user_popbox_infolist"><dt>积分</dt><dd><a href="https://bbs.21ic.com/home.php?mod=space&uid=815477&do=profile" target="_blank" class="xi2">36</a></dd></dl> <dl class="user_popbox_infolist"> <dt>在线时间</dt><dd>8 小时</dd> <dt>精华</dt><dd>0</dd> <dt>注册时间</dt><dd>2012-3-4</dd> <dt>最后登录</dt><dd>2024-11-23</dd> </dl> <dl class="user_popbox_infolist"> </dl> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <strong> <a 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class="pcb"> <div class=" t_fsz" > <table cellspacing="0" cellpadding="0"><tr><td class="t_f" id="postmessage_14349790"> 这个看单片机,有的支持第二向量,或者flash分区,并且可以选择启动区域的,就可以做OTA,不支持的就不能做</td></tr></table> </div> <div class="po hin post_bubble_btns"> <div class="pob cl"> <p> <a href="javascript:;" id="mgc_post_14349790" onmouseover="showMenu(this.id)" class="showmenu">使用特权</a> </p> <em> <a rel="nofollow" class="cmmnt" href="forum.html?mod=misc&amp;action=comment&amp;tid=3415228&amp;pid=14349790&amp;extra=page%3D1&amp;page=1" onclick="showWindow('comment', this.href, 'get', 0)">评论</a><a rel="nofollow" class="fastre" href="post.html?action=reply&amp;fid=250&amp;tid=3415228&amp;repquote=14349790&amp;extra=page%3D1&amp;page=1" onclick="showWindow('reply', this.href)">回复</a> <a class="replyreward" onclick="showWindow('21icreward','plugin.php?id=reward:reward&ac=showpopup&tid=3415228&pid=14349790','get', 0);" href="javascript:;" title="打赏">赏</a></em> <ul id="mgc_post_14349790_menu" class="p_pop mgcmn" 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