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Table 33.6-2 Hardware sequence flag functions
State
State
Write --> Write completed (write
change for
address specified)
normal
operation
Chip/sector erase --> Erase completed
Sector erase wait --> Erase started
Erase --> Sector erase suspended
(sector being erased)
Sector erase suspend --> Erase restarted
(sector being erased)
Sector erase suspended (sector not
being erased)
Abnormal
Write
operation
Chip/sector erase
*: If the DQ5 outputs "1" (exceed the timing limit), successive reads from a writing or erasing sector cause DQ2 to
toggle. DQ2 does not toggle when the successive reads are executed from other sectors.
DQ7
DQ6
DQ7 -->
Toggle -->
DATA:7
DATA:6
Toggle -->
0 --> 1
Stop
1
Toggle
Toggle -->
0 --> 1
1
1 -->
1 --> 0
Toggle
DATA:7
DATA:6
DQ7
Toggle
0
Toggle
CHAPTER 33 FLASH MEMORY
DQ5
DQ3
0 -->
0 -->
DATA:5
DATA:3
0 --> 1
1
0
0 --> 1
0
1 --> 0
0
0 --> 1
DATA:5
DATA:3
1
0
1
1
DQ2
1 -->
DATA:2
Toggle -->
Stop
Toggle
Toggle
Toggle
DATA:2
1
*
861
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