128Mb, 256Mb, 512Mb, 1Gb StrataFlash Memory
Flowcharts
Figure 39: Word Program Full Status Check Procedure
Read status
register
1
1
1
V
PP range
SR3 =
0
error
Program
error
SR4 =
0
Device protect
error
SR1 =
0
Program
successful
Note:
SR3 MUST be cleared before the write state machine will support further program attempts.
Bus
Operation
Command Comments
Idle
None
None
None
Check SR3
1 = VPP error
Idle
Idle
Check SR4
1 = Data program error
Check SR1
1 = Block locked; operation aborted
2. If an error is detected, clear the status register before continuing operations. Only the
CLEAR STAUS REGISTER command clears the status register error bits.
Note:
PDF: 09005aef8448483a
128_256_512_65nm_g18.pdf - Rev. F 8/11 EN
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