您 好!
如题,C6748如何在外部晶振失效时自动切换到内部时钟。
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要接外部晶体或者有源晶振。见数据手册第86页上的OSCIN的接法。
http://www.ti.com/lit/ds/symlink/tms320c6748.pdf
一般的MCU都有内部的RC振荡器,在系统启动时提供初始化的时钟,之后再将时钟源切换到外部晶振,通过PLL产生系统和相关外设的时钟,就是说就算没有外部时钟,MCU的最小系统是能运行的,6748没有类似的内部时钟?