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CONTROL REGISTERS
FMSECH
— Flash Memory Sector Address Register(High Byte) ECH Set1 Bank1
Bit Identifier
Reset Value
Read/Write
Addressing Mode
.7− .0
FMSECL
— Flash Memory Sector Address Register(Low Byte)
Bit Identifier
Reset Value
Read/Write
Addressing Mode
.7− .0
FMUSR
— Flash Memory User Programming Enable Register
Bit Identifier
Reset Value
Read/Write
Addressing Mode
.7−.0
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
.7
.6
0
0
R/W
R/W
Register addressing mode only
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.
.7
.6
0
0
R/W
R/W
Register addressing mode only
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.
.7
.6
0
0
R/W
R/W
Register addressing mode only
Flash Memory User Programming Enable Bits
1
0
1
0
Other values
.5
.4
0
0
R/W
R/W
.5
.4
0
0
R/W
R/W
.5
.4
0
0
R/W
R/W
0
1
0
1
Enable user programming mode
Disable user programming mode
S3F80P5_UM_ REV1.00
.3
.2
0
0
R/W
R/W
R/W
EDH Set1 Bank1
.3
.2
0
0
R/W
R/W
R/W
EEH Set1 Bank1
.3
.2
0
0
R/W
R/W
R/W
.1
.0
0
0
R/W
.1
.0
0
0
R/W
.1
.0
0
0
R/W
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