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cc2540 ADC 问题

Other Parts Discussed in Thread: CC2540

我想用cc2540 的adc模块,但是没有找到adc模块的详细说明,因为我的整个系统供电是变化的,不知道内部参考是否是随着芯片的电压改变而改变的,还有最后转化而来的码值是怎么换算成电压得也没有找到相应的公式,我是个新手不知道在哪里能得到这些资料(数据手册和用户向导都没有)