Fujitsu F2MC-16LX Hardware Manual page 596

CHAPTER 25 3M-BIT FLASH MEMORY
Figure 25.6-1 Procedure Example for Writing to Flash Memory
580
Writing start
FMCS : WE(bit5)
Flash memory writing
enabled
Write command sequence
FxAAAA
Fx555A
FxAAAA
Write address
Inrternal address read
Data polling
Data
0
Timing limit
Inrternal address read
Data
Data polling
Data
End address
Write error
FMCS : WE(bit5)
Flash memory writing
disabled
Write complete
XXAA
XX55
XXA0
Write data
Next address
Data
(DQ7)
(DQ5)
(DQ7)
NO
YES
Check by hardware sequence