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RM44L552 HET1N19管脚电平无法检测

Other Parts Discussed in Thread: HALCOGEN

现在公司用RM44L552做了一个电机控制器,使用HET1N19这个管脚来产生中断。使用Hercules Code Generator生成项目代码。现在问题是当管脚接高电平以后,调用读管脚电平的接口,发现电平value还是0。并且无法产生中断。而HET1N15、HET1N24、HET1N26这几个管脚都没有问题。

还请有相关经验的前辈能给些指导,谢谢!