Fujitsu F2MC-8FX Hardware Manual page 543

Explanation of hardware sequence flag
Table 28.5-2 lists the functions of the hardware sequence flag.
Table 28.5-2 List of Hardware Sequence Flag Functions
Programming → Programming completed (when
State transition
write address has been specified)
during normal
Chip erasing → Erasing completed
operation
Programming
Abnormal
operation
Chip erasing
*: When the DQ5 flag is 1 (execution time-out), the DQ2 flag toggles during continuous reading from the
programming/erasing sector but does not toggle during reading from other sectors.
State
CHAPTER 28 256-KBIT FLASH MEMORY
DQ7 DQ6
DQ7 → Toggle →
DATA: 7 DATA: 6
Toggle →
0 → 1
Stop
DQ7 Toggle
0 Toggle
DQ5 DQ2
0 → 1 →
DATA: 5 DATA:2
Toggle →
0 → 1
Stop
1 1
1 *
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