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主控为AM3352，PMIC型号为TPS65910A3A1RSLR，
为了模拟PMIC电源闪断的情况，使用镊子短接 PMIC 1.5V/1.1V/1.2V DC-DC输出，发现AM3352立即死机，串口调试后台无反应，PMIC没有产生复位信号，
不知这种情况是否正常，实际PMIC是否会出现电源闪断的情况(例如AM3352 满负荷运行，PMIC过温保护)
HI
输出有短路保护的， 应该有中断信号给到AM3352.
