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TMS320F280049C与TMS320F28379D的EPWM差异问题

Other Parts Discussed in Thread: TMS320F28379D, TMS320F280049C

你好,

通过对比TMS320F280049C与TMS320F28379D的EPWM模块的寄存器,发现AQTSRCSEL寄存器的T1SEL和T2SEL存在差异。

TMS320F280049C T1SEL和T2SEL可以配置成DCEVTFILT,TMS320F28379D则不能。

如下图所示:

请问TMS320F280049C为什么会多了一个这个配置选项,该选项有什么作用?