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MSP430与PL2303连接问题



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?