关于Table 7-113 SDRAM_CONFIG Register Field Descriptions 描述，该寄存器0-2位填写reg_pagesize，
Page Size.
Defines the internal page size of connected SDRAM devices.
Set to 0 for
256-word page (8 column bits), set to 1 for
512-word page (9 column bits), set to 2 for
1024-word page (10 column bits), and set to 3 for
2048-word page (11 column bits).
All other values are reserved.
而我们使用的内存为IS43TR16128A-15HBL。
根据表格那就是2048words(10columns),这时候该怎么填写？
