Samsung S3F401F - Manual (Page 78)

INTERNAL FLASH ROM S3F401F_UM_REV1.00
5-18
Smart Option Bits Read Register FSO (0x010) Access: Read Only
31 30 29 28 27 26 25 24
FSODAT [31:24]
R-U R-U R-U R-U R-U R-U R-U R-U
23 22 21 20 19 18 17 16
FSODAT [23:16]
R-U R-U R-U R-U R-U R-U R-U R-U
15 14 13 12 11 10 9 8
FSODAT [15:8]
R-1 R-1 R-1 R-1 R-1 R-1 R-1 R-1
7 6 5 4 3 2 1 0
FSODAT [7:0]
R-1 R-1 R-1 R-1 R-1 R-1 R-1 R-1
W: Write R: Read -0: 0 After reset -1: 1 After reset -U: Undefined after reset
Smart Option
Smart Option bits read register data
FSODAT
0xXXXX_FFFF(PROT[15:0])
NOTE Reading the Smart Option Bits (PROT [15:0] which are port of Flash Memory) is possible only through
FSO Register, because the bits of Smart Option cannot be read like normal cell.