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您好!
1. 现在Piccolo内置的DAC只是用来和内部的模拟比较器组合,并不能输出。
不过TI后续推出的Piccolo系列会支持DAC对外输出,谢谢!
2. 如果ADC引脚不用来做模拟输入的话,可以配置成GPIO来使用,即像您所说的输出引脚使用。