对与MPL3115,想把测量精度提高到1.5Pa,怎么设置?我的配置为初始化,前面为地址,后面为数据,
I2C_WriteReg(0x26,0x01);
I2C_WriteReg(0x13,0x07);
I2C_WriteReg(0x26,0x39);
然后写 I2C_WriteReg(0x26,0x3B);
等待8ms,向地址0X01,0X02,0X03读取数据,在自然状态下,20位数据,后6位会跳动,如果能精确到1.5Pa,最多后4位跳动才对啊
Dear Mr. Zhou,
Please note the pressure reading noise of MPL3115 is 1.5Pa when you set the OSR is 128x.
But the absolute accuracy of MPL3115 is +/-0.4kPa, and relative accuracy is up to +/-0.1kPa.
Please review the datasheet of this sensor.
Thanks,
George Guo