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求助:AM335X电源时序问题

Other Parts Discussed in Thread: AM3354

求助:目前在测试一块基于AM3354芯片的板卡,采用TPS65217C电源管理芯片供电,测试发现LDO4 (3.3V)电源信号质量和PWRONRST复位信号质量均不正常,以及上、下电时序与芯片datasheet的要求存在差异(具体见附件文档),麻烦帮忙分析一下,该板卡的电源信号质量及电源时序对于芯片工作是否存在风险,若有风险可能会出现哪些后果,非常急,期待TI专家尽快回复。谢谢!

AM3354供电时序.xlsx