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https://e2e.ti.com/support/sensors-group/sensors/f/sensors-forum/650188/afe4490-negative-led-register-value
我们从 AFE4490寄存器读取负值的可能原因是什么？ 我们连接到光电二极管、而不是光电晶体管。 被这个迷惑了！
