128Mb, 256Mb, 512Mb, 1Gb StrataFlash Memory
Flowcharts
Figure 49: Blank Check Procedure
Start
Write 0xBC,
block address
Write 0xD0,
block address
Read status
register
No
0
SR7 =
1
Full blank check
status read
Blank check
Bus
Operation
Command Comments
WRITE
BLANK CHECK Data = 0xBC
SETUP
Address = Block to be read
WRITE
BLANK CHECK Data = 0xD0
CONFIRM
Address = Block to be read
READ
Idle
None
Status register data
None
Check SR7
1 = Write state machine ready
0 = Write state machine busy
1. Repeat for subsequent block blank check.
Notes:
2. Full status register check should be read after blank check has been performed on each
block.
PDF: 09005aef8448483a
128_256_512_65nm_g18.pdf - Rev. F 8/11 EN
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