Samsung S3F80JB - Manual (Page 79)

CONTROL REGISTERS S3F80JB
4-12
FMCON
— Flash Memory Control Register EFH Set1 Bank1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value 0 0 0 0 – – – 0
Read/Write R/W R/W R/W R/W – – – R/W
Addressing Mode Register addressing mode only
.7 – .4 Flash Memory Mode Selection Bits
0101 Programming mode
1010 Erase mode
0110 Hard Lock mode (NOTE)
Others Not used for S3F80JB
.3 – .1 Not used for S3F80JB
.0 Flash Operation Start Bit (available for Erase and Hard Lock mode only)
0 Operation stop
1 Operation start (auto clear bit)
NOTE: Hard Lock mode is one of the flash protection modes. Refer to page 15-18.