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MSP430FR6043 气表可否改成测距

Other Parts Discussed in Thread: MSP430FR6043, TIDA-00462

大神门,我有几个问题

1,气表数据手册说(在每秒获取一组结果的条件下总体电流消耗大约为 20µA),功耗是mcu的,还是整套评估板包括换能器的功耗?

2 ,气表能改成测距仪吗?是不是发射功率不够?整个网络都没搜到这样改的,也去TI英文论坛搜了,我公司项目比较奇葩吧。要测4米,功耗要低。

谢谢解答。