自己焊的板下载不成功，帮忙看看。。

静xin

B0接高，B1接地，复位下载。出现这样的情况是什么原因。
开始连接...122, 接收到:00 00 00
开始连接...126, 接收到:00 00 00 00 00 00 00
开始连接...127, 接收到:00 00 00 00 00 00 00
开始连接...128, 接收到:00 00 00 00 00 00 00
开始连接...129, 接收到:00 00 00 00 00 00 00
开始连接...130, 接收到:00 00 00 00 00 00 00
开始连接...131, 接收到:00 00 00 00 00 00 00
开始连接...132, 接收到:00 00 00 00 00 00 00
开始连接...133, 接收到:00 00 00 00 00 00 00
开始连接...134, 接收到:00 00 00 00 00 00 00
开始连接...135, 接收到:00 00 00 00 00 00 00
开始连接...136, 接收到:00 00 00 00 00 00 00
开始连接...137, 接收到:00 00 00 00 00 00 00
开始连接...138, 接收到:00 00 00 00 00 00 00
开始连接...139, 接收到:00 00 00 00 00 00 00
开始连接...140, 接收到:00 00 00 00 00 00 00 00 00 00 00
开始连接...141, 接收到:00 00 00 00 00 00 00
开始连接...142, 接收到:00 00 00 00 00 00 00
开始连接...143, 接收到:00 00 00 00 00 00 00
开始连接...144, 接收到:00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
开始连接...145, 接收到:00 00 00 00 00 00 00
开始连接...146, 接收到:00 00 00 00 00 00 00
开始连接...147, 接收到:00 00 00 00 00 00 00
开始连接...148, 接收到:00 00 00 00 00 00 00
开始连接...149, 接收到:00 00 00 00 00 00 00
开始连接...150, 接收到:00 00 00 00 00 00 00
开始连接...151, 接收到:00 00 00 00 00 00 00

第一次焊板子帮下忙····

whuer

BOOT1=0，然后 把BOOT0=1 复位 下载看看

可能是  USB转串口坏了 或者  你的芯片焊坏了

正点原子

VDDA接了么?

静xin

回复【3楼】正点原子:
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原子哥，我错了。浪费你时间了，VDDA没接·