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AM437X上电顺序,若晚于外围其他器件的处理方法

Other Parts Discussed in Thread: AM4378

hi,all:

AM4378外围电路先上电,外围电路的输出信号是否会损坏AM4378,比如IO上保护二极管,有没有必要再设计外围电路的电源管理方案?

目前正在使用AM4378设计电路,电源方案使用的PMIC,3.3V输入,但是其他外围电路,比如FPGA、PHY、MCU等会更早工作,部分电路谁输出信号到AM4378。