自己做的f28027最小系统板,用c2000 launchpad 开发板上的XDS100V2接出来进行仿真调试下载,但是程序下载不下去;单独只供电,发现第三脚XRS一直为低电平 状态!?微调复位电路,无作用,只用直接将3.3V接到引脚上,才为高电平 !?是什么情况!?
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