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MEMORY SYSTEM AND HOST DEVICE THAT MAINTAIN COMPATIBILITY WITH MEMORY DVICES UNDER PREVIOUS STANDARDS AND/OR VERSIONS OF STANDARDS
MEMORY SYSTEM AND HOST DEVICE THAT MAINTAIN COMPATIBILITY WITH MEMORY DVICES UNDER PREVIOUS STANDARDS AND/OR VERSIONS OF STANDARDS
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机译：在以前的标准和/或标准版本中与内存设备保持兼容性的内存系统和主机设备
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摘要
A memory system includes a storage device and a host device. The storage device includes a memory device and a device controller. The device controller is configured to store device information. The device information includes a level of a power supply voltage required for the memory device. The host device includes a host controller and a power management integrated circuit (PMIC). The host device is configured to send a query command to receive the device information from the device controller during a power setting period. The PMIC is configured to supply a first level of power supply voltage to the memory device during the power setting period and, after the power setting period, selectively supply one of the first level of power supply voltage and a second level of power supply voltage to the memory device. The first level of power supply voltage is lower than the second level of power supply voltage.
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