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3.3V 1.8V 1.2V 1.3V 上电时序怎样的 ?有什么严格要求吗?
确保电源线稳定并达到规定的电压水平,包括其内部逻辑和处理单元
没用上电的先后要求吗?例如我们自己设计的电源,同时供电 可能存在ms级别的误差?能正常工作吗?
首先3.3V和1.8V其次1.2V和1.3V