华大单片机GPIO配置
https://blog.csdn.net/willOkay/article/details/106580003
芯缘意码的文章，比较详细；
HC32 GPIO使用注意点
https://blog.csdn.net/zhaopenglihui/article/details/118055778
也总结的比较好
华大单片机 HC32F460 GPIO配置说明
https://blog.csdn.net/jianminmin1318987744/article/details/120743194?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1.no_search_link&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1.no_search_link
EV-HC32F460-GPIO简介与调试
https://blog.csdn.net/qq_39567970/article/details/118854450
