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碰到一个问题
PWM一开始正常发波,调节负载,让输出电流变大,就会偶发性的导致PWM不发波(常高或常低)
根据各种现象分析,初步怀疑是MCU的时钟混乱了
请问有什么办法可以检测到MCU的时钟是否正常?
内部时钟的话,这个芯片有MCD功能。
可以使用“缺失时钟检测(Missing Clock Detect, MCD)”功能
你阅读下它的datasheet和TRM
TMS320F280015x Real-Time Microcontrollers datasheet (Rev. B)
TMS320F280015x Real-Time Microcontrollers Technical Reference Manual (Rev. B)