Samsung S3F80P5, S3F80P5X FMSECH Flash Memory Sector Address Register(High Byte) ECH Set1 Bank1 , FMSECL Flash Memory Sector Address Register(Low Byte) EDH Set1 Bank1 , FMUSR

CONTROL REGISTERS S3F80P5_UM_ REV1.00
FMSECH — Flash Memory Sector Address Register(High Byte) ECH Set1 Bank1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value 0 0 0 0 0 0 0 0
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode Register addressing mode only
.7− .0 Flash Memory Sector Address (High Byte)
Note: The high-byte flash memory sector address pointer value is the higher eight
bits of the 16-bit pointer address.
FMSECL — Flash Memory Sector Address Register(Low Byte) EDH Set1 Bank1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value 0 0 0 0 0 0 0 0
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode Register addressing mode only
.7− .0 Flash Memory Sector Address (Low Byte)
Note: The low-byte flash memory sector address pointer value is the lower eight bits
of the 16-bit pointer address.
FMUSR — Flash Memory User Programming Enable Register EEH Set1 Bank1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value 0 0 0 0 0 0 0 0
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode Register addressing mode only
.7−.0 Flash Memory User Programming Enable Bits
1 0 1 0 0 1 0 1 Enable user programming mode
Other values Disable user programming mode
NOTES:
1. To enable flash memory user programming, write 10100101B to FMUSR.
2. To disable flash memory operation, write other value except 10100101B into FMUSR.
4-12