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PGA411-Q1: pga411 eeprom Read and write problems

Part Number: PGA411-Q1

将DEV_OVUV1寄存器15-12位1000更改为1001,然后将DEV_EE_CTRL1寄存器写入0xA7,关闭后写入0xA2,并将DEV_OVUV1 15-12位设置为1001.问题是什么?