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MB90335 Series
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Explanation of hardware sequence flag
Table 22.6-2 lists the functions of the hardware sequence flag.
Table 22.6-2 List of Hardware Sequence Flag Functions
State
Programming → Completed
(when program address
specified)
Chip and sector erasing →
Completed
Sector erasing wait →
Started
State change in
Erasing → Sector erasing
normal
suspended
operation
(Sector being erased)
Sector erasing suspended →
Resumed
(Sector being erased)
Sector erasing being
suspended
(Sector not being erased)
Programming
Abnormal
operation
Chip and sector erasing
CM44-10137-6E
22.6 Check the Execution State of Automatic Algorithm
DQ7
DQ7 →
DATA:7
0 → 1
0
0 → 1
1 → 0
DATA:7
DQ7
0
FUJITSU MICROELECTRONICS LIMITED
CHAPTER 22 DUAL OPERATION FLASH MEMORY
DQ6
Toggle →
DATA:6
Toggle → Stop
Toggle
Toggle → 1
1 → Toggle
DATA:6
Toggle
Toggle
DQ5
DQ3
0 →
0 →
DATA:5
DATA:3
0 → 1
1
0 → 1
0
1 → 0
0
0 → 1
0
DATA:5
DATA:3
1
0
1
1
495
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