MDK st-link下载STM32程序出现Internal command error和Error:Flash download failed. Target DLL

MDK st-link下载STM32程序出现Internal command error和Error:Flash download failed. Target DLL

 MDK st-link下载STM32程序出现Internal command error和Error:Flash download failed. Target DLL
是因为目标板的芯片处于休眠的状态,在尝试连接目标板时候也会出现报错Internal command error Flash download failed target dll has been can的现象,解决办法是使目标板退出休眠,即按住reset键再下载程序,看到USB通讯灯闪后一小会儿(自己把握)后放开reset就能看到程序下载进去了,不行就多试几次,成功一次后面就正常了
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