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TMS320F28335的ADC 输入问题求助

Other Parts Discussed in Thread: TMS320F28335

在使用TMS320F28335的ADC采样中遇到一个问题。 当ADC输入大于3.0V时(3.2V),TMS320F28335会出现死机的情况,而当ADC输入电压降到3.0V以下时,28335会出现重启的现象。从数据手册上看,只说明了ADC的输入超过3.0V后会溢出,寄存器值会保持在4095,但是未说明ADC的最大输入电压是多少,超过3.0V会给28335造成什么样的影响。

可否帮忙解答,谢谢!