我自己画的pcb板,直接通过55.57管角接232芯片和电脑用串口连接,用uniflash加载,可行么?因为我通过调试发现如果飞出线用cp2103转usb是可行的,但想直接通过串口烧总是报错,说串口设置有问题,无法连接?
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