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Original question:
MSP430FR6047: ADC捕获到的超声波回波信号存在问题
我又遇到这个问题了，这次我打开了宏USS_APP_DC_OFFSET_CANCELLATION_ENABLE，但是看起来好像没什么效果。还有其他方法可以消除直流偏置吗？
PCB layout会给系统带来更多噪声。请参考一下https://www.ti.com/lit/ug/tidudn0/tidudn0.pdf的4.3 PCB layout recommendations
