/* Check_SST_39VF400A Check manufacturer and device ID
/* CFI_Query CFI Query Entry/Exit command sequence
/* Erase_One_Sector Erase a sector of 2048 words
/* Erase_One_Block Erase a block of 32K words
/* Erase_Entire_Chip Erase the contents of the entire chip
/* Program_One_Word Alter data in one wo ...
