AM6231想要实现A核和M核做时间同步,但是A核和M核不具备RTC,R5具备RTC, A核和M核可以访问这个RTC吗?该怎样做时钟同步?
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ms是个比较微妙的点,如果是几十毫秒以上,那自己写的程序查询一下就可以达到,但如果是十几毫秒,甚至更小,那可能需要考虑用一个时间同步的逻辑,比如 https://www.nxp.com/docs/en/application-note/AN4332.pdf