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Original question:
TMS320F280025: F280025 EPWMA和EPWMB发波问题
AIO口作为数字输入时和GPIO作为数字输入时有什么区别？
数据手册上可见的区别有：AIO没有input qualification和内部pull up/down。此外，有FAE提到其他芯片的AIO口与GPIO不同的还在于AIO口不能触发外部中断。
