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请教AM3352的复位脚电平不正常的问题

Other Parts Discussed in Thread: AM3352

HI

1、AM3352开发板使用PMU  tps65910a3a1提供电源系统,PMU的VDDIO连接到3.3V,此时PMU的IO口输出电平应该在3.3V的水平。

2、AM3352的复位脚PWRONRSTn直连到PMU的nRESPWRON脚,PMU上电完成后nRESPWRON脚输出3.3V电平给到AM3352的复位脚。

3、问题是:PMU端输出的3.3V电平正常,一接到MCU端复位脚电平就被拉低到2.7V,尝试增加3.3V上拉也不起作用,有没有遇到此问题的?