你好:
对于ADC 的基准电压 VREFHI,默认是内部参考还是外部参考? 如何配置成外部参考或者内部参考?
官方例程中并没有发现相关配置,
多谢
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你好,根据芯片datasheet,这款芯片的VREFHI必须来自外部,所以没有配置外部参考或者内部参考的选项
VREFHIx pin voltage must be driven in externally