17.5.11 High-Level SDRAM Initialization Procedure
Proceed as follows to initialize the SDRAM. Code example is given in provided software (Linux®, MPLAB®Harmony).
Note: This sequence can also be used as a re-initialization phase
from Self-refresh mode. In such case, some commands must be skipped or added. See SDRAM
Self-Refresh Mode in the section "Electrical Characteristics" for more details.