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Hi TI团队，
最近在看TMS320F280049C芯片电源相关资料，控制器紧急下电或者因为3.3V供电欠压会导致控制器异常，请问控制器在紧急下电过程IO引脚会处于什么状态？电源欠压IO又会处在什么状态？
您好，我已经向相关工程师咨询了。有了结果我会第一时间回复
您好，请看一下这个帖子：https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/879194/tms320f280049-gpio-state-at-power-off-with-brown-out-feature-enabled-as-default
