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S3F8275X
SECTOR ERASE
User can erase a flash memory partially by using sector erase function only in User Program Mode. The only unit
of flash memory to be erased and programmed in User Program Mode is called sector.
The program memory of S3F8275X is divided into 128 sectors for unit of erase and programming. Every sector
has all 128-byte sizes of program memory areas. So each sector should be erased first to program a new data
(byte) into a sector. Minimum 10ms delay time for erase is required after setting sector address and triggering
erase start bit (FMCON.0). Sector Erase is not supported in Tool Program Modes (MDS mode tool or
Programming tool).
Sector 127 (128 Byte)
Sector 126 (128 Byte)
Sector 63 (128 Byte)
Sector 11 (128 Byte)
Sector 10 (128 Byte)
Sector 0-9
(128 byte x 10)
S3F8275X
Figure 16-6. Sector Configurations in User Program Mode
EMBEDDED FLASH MEMORY INTERFACE
3FFFH
3F7FH
3EFFH
1FFFH
1F7FH
05FFH
057FH
0500H
04FFH
0000H
16-7
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