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AFE4490环境光如何估算?



AFE4490的环境光消除,怎么样使用呀?TIA_AMB_GAIN寄存器的1uA至10uA的数值与ALED1VAL、ALED2VAL寄存器读取的数值之间的对应关系是什么?如何动态估算环境光的大小?如何根据评估到的环境光大小设置TIA_AMB_GAIN寄存器的数值?