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TMS320F280025: 问题描述如下:

Part Number: TMS320F280025


最近在优化硬件过流保护功能,想请教一下

电机的V相电压采到 Analog Subsystem的C2中,U相电压采到了Analog Subsystem的C4中。

由于C2,C4共用cmpss3,仅通道不同。这导致了V相和U相的硬件过流保护需要设计复用轮询功能

具体需求:手册里没有明确说明Analog Subsystem进入CMPHP能否进行分时复用。

        需求1:我在底层配置了C2作为CMPSS3 CMPHP的输入源 能否将C4也同时作为CMPSS3 CMPHP的输入源?

        需求2:能否实现这一时刻CMPHP的输入信号是C2 过几纳秒后CMPHO的输入信号变为C4,再过几纳秒再变换C2,周期性的切换输入信号。