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430自带的温度传感器,精度是多少?能等同于外界温度吗?典型应用是什么?
430的温度传感器是芯片内部的温度,不能等同于外部环境温度。
430的温度传感器如果不经过校准,误差会比较大。如果经过校准后,精度可以达到±3°以内。
有些430出厂前已经有校验数据放在flash内部