用串口下载程序失败

2019-07-21 02:44发布

RTS电平置低(-3--12V),复位
DTR置高(+3-+12V),选择进入BootLoader
...延时100毫秒
RTS电平变高(+3-+12V)释放复位
DTR维持高
开始连接...5, 接收到:00 00 00
开始连接...9, 接收到:00 00 00 00 00 00 00
开始连接...10, 接收到:00 00 00 00 00 00 00
开始连接...11, 接收到:00 00 00 00 00 00 00
开始连接...12, 接收到:00 00 00 00 00 00 00
.......
开始连接...13, 接收到:00 00 00 00 00 00 00 00 00 00 00
开始连接...31, 接收到:00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
开始连接...32, 接收到:00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 79 79
在串口COM3连接成功@57600bps，耗时2246毫秒
读芯片信息出错1

有老哥知道这是怎么回事吗

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