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TM4C123GH6PM的USB通信电路设计时对它使用3.3V可行不?

Other Parts Discussed in Thread: TM4C123GH6PM

因为对于TM4C123GH6PM的整个系统的设计都没有单独的5V电源设计,所以不想为USB而去专门放一个5V的稳压电源电路,直接用MCU供电的3.3V去给USB供电可以吗?