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TMS320F28377DZWT输出的PWM信号为什么还要用74HCT245逻辑芯片处理?74HCT245逻辑芯片处理的作用是什么?



TMS320F28377DZWT输出的PWM信号为什么还要用74HCT245逻辑芯片处理?74HCT245逻辑芯片处理的作用是什么?