| 摘要 |
The method comprises the steps of reading compression data stored in a SRAM when power is turned on and temporarily storing it in the global variable and user setting variable region of a DRAM, driving a system using the variables stored in the DRAM, changing the value of the DRAM when the variable set by the user and global variable are changed, and judging the changed region, compressing the corresponding DRAM value, and storing it in the SRAM.
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