时钟稳定性和LSM9DS0上的采样率没有数据

时间和温度的时钟稳定性没有数据。这些将影响采样率时间。例如，如果加速度计DOR是100Hz，则可以预期到什么样的扩散。我认为在所有三种传感器类型中，从开始转换到中断的时间，时间大致是DOR的倒数。这对于磁强计来说是真的，我假设设置/复位在每个采样期间都需要一个固定的时间，而不管DOR如何。我想要有一个100Hz的固定数据更新率，从主处理器生成，有没有人做过这类事情，或者你只是自由运行LSM9DS0，并接受编程到它的速率？我接受我只能以我要求的速率从磁力计获得50Hz的有效频率。我是这个设备的新手，以前使用过模拟部件，我可以更好地控制采样率。

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以下为原文




There are no figures for clock stability over time and temperature. These are going to effect the sample rate times. For example, if the accelerometer DOR is 100Hz, what spread can be expected. I take it that in all of the three sensors types, that the time from commencing a conversion to the Interrupt, the time is roughly the reciprocal of the DOR. Is this true for the Magnetometer, where I assume the Set/Reset takes a fixed time during every sample, irrespective of the DOR. I am wanting to have a fixed data update rate of 100Hz, generated from the host processor, has anyone done this sort of thing, or are you just free running the LSM9DS0, and accepting the rate programmed into it? I accept that I will only get an effective 50Hz from the magnetometer at the rate I require. I am new to this device, have used analogue parts previously, where I could get better control of the sampling rate.

Any comments would be much appreciated,