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AM5728单板设计时,外设接口电路部分有没有上电要求

Other Parts Discussed in Thread: TPS659037, TPS22965, AM5728

我知道AM57xx系列最小系统上电是由TPS659037这颗PMU芯片来控制完成的,我看到参考设计当中,3.3V供电时序需要配套TPS22965来控制,我比较好奇,除了最小系统这块外,外围接口及功能模块供电这块,有要求吗?需要最小系统完全启动后才上电,还是没有任何要求,可以直接上电