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CC1310如何彻底关闭SPI

Other Parts Discussed in Thread: CC1310

测试功耗工具:ua表

在测试CC1310中Ti15.4stack中的sensor功耗时,因为通过SPI驱动读取外部的温度值,SPI的MISO、MOSI、CLK引脚是默认的设置,CS是自己定义的引脚。在调用SPI_close();时不知道是否可以彻底的关闭SPI。

当我接上传感器时,测量功耗为300ua,功耗较大。依次拔掉MISO、MOSI、CLKy引脚,测得发现每个引脚的功耗占比为100ua.当我在close SPI时我还要对SPI的引脚做什么设置呢?