1、430式样书中写着TCK悬空，可我的板子上TCK是与PL2303的RTS引脚相连的，请问TCK是什么功能？
2、PL2303的DTR引脚与430的RST引脚相连，请问在串口烧写时，PL2303是不是通过DTR引脚将430复位，然后再将430的RST置高再进行程序烧录？
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