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Interpret
as IPCMD
Description
IP Command register
Fields
CMD
SDRAM Commands: 0x8: Read 0x9: Write 0xA: Mode Register Set 0xB: Active 0xC: Auto Refresh 0xD: Self Refresh 0xE: Precharge 0xF: Precharge All Others: Reserved Self Refresh is sent to all SDRAM devices because they shared same SEMC_CLK pin
KEY
This field should be written with 0xA55A when trigging an IP command.