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OCTVO-3P-AM335X: am335x ADC采样,外部参考源Vref跳变

Part Number: OCTVO-3P-AM335X

am335x ADC采样,使用外部参考源Vref=1.8v。 底层都配置好后,在没有启动adc采样时,测量外部参考源Vref是准的,但是一旦启动adc采样,会发现外部参考源Vref一直在跳变,从而导致adc采样值不准。