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launchPad-F28027中默认将27和31脚,即GPIO16和GPIO32连接到一起

launchPad-F28027中默认将27和31脚,即GPIO16和GPIO32连接到一起。根据手册和实物JP4-JP11分别控制26、27、31、36四个引脚的输出,但其默认为相连的,那么如何做功能的选择,这么连接又有什么实际意义么?还有JP4-JP11所提供的焊点有什么意义?我如果将该焊点短接是否会对引脚输出功能做出选择?另附同问的帖子www.deyisupport.com/.../193002.aspx