我想知道AM335X芯片 各个功能管脚的内部硬件结构信息,请问如何查询?
比如C5管脚的是EXT_WAKEUP,说是INPUT功能,那么我如果不用 是要接上拉?上拉电阻为多少?下拉?下拉电阻为多少?还是悬空?
亦或是其他IO管脚,如果配置成内部上拉 或 外部上拉。那么内部或外部上拉下拉电阻是多少?等等
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wakeup引脚的处理请参考:
http://processors.wiki.ti.com/index.php/AM335x_Schematic_Checklist#RTC
AM335x的内部上下拉阻值请参考:
https://e2e.ti.com/support/arm/sitara_arm/int_sitara_am335x/f/425/t/214911