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28335芯片上IO口对5V电压的容忍情况如何？是否可接直连io口的5v输出外设？
不可以吧，28335的IO口是3.3V，你这5V的需要转换一下电压
你好，对于该芯片最大输入电压与最大输出电压都为4.6V。
请参考2833x datasheet 7.1 节：
www.ti.com.cn/.../tms320f28335.pdfts=1671072822343&ref_url=https%3A%2F%2Fwww.ti.com.cn%2Fproduct%2Fcn%2FTMS320F28335%3FkeyMatch%3D28335
