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430单片机多路采集互有影响?

Other Parts Discussed in Thread: MSP430F5418

MSP430F5418单片机,多路采集,如下配置:

现在改变第二路,比方说接到GND,则第0,1,4路AD值降低,其中第一路降低幅度大,然后第3路有所上升。