LH28F008SCN-TF Sharp Electronics, LH28F008SCN-TF Datasheet - Page 25
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LH28F008SCN-TF
Manufacturer Part Number
LH28F008SCN-TF
Description
Manufacturer
Sharp Electronics
Datasheet
1.LH28F008SCN-TF.pdf
(58 pages)
Specifications of LH28F008SCN-TF
Lead Free Status / Rohs Status
Compliant
- Current page: 25 of 58
- Download datasheet (584Kb)
FULL STATUS CHECK PROCEDURE
Read Status Register
Clear Block Lock-Bits
Clear Block Lock-Bits
Data(See Above)
Check if Desired
Status Register
Full Status
Successful
Write D0H
Write 60H
Complete
SR.4,5=
SR.7=
SR.3=
SR.1=
SR.5=
Start
Read
1
0
0
0
0
0
1
1
1
1
Command Sequence
Device Protect Error
Clear Block Lock-Bits
V
PP
Range Error
Error
Error
Figure 10. Clear Block Lock-Bits Flowchart
LHF08CTF
place device in read array mode.
If error is detected, clear the Status Register before attempting
Write FFH after the Clear Block Lock-Bits operation to
SR.5,SR.4,SR.3 and SR.1 are only cleared by the Clear Status
Register command.
retry or other error recovery.
Operation
Operation
Standby
Standby
Standby
Standby
Standby
Read
Write
Write
Bus
Bus
Lock-Bits Confirm
Lock-Bits Setup
Clear Block
Clear Block
Command
Command
Data=60H
Data=D0H
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Both 1=Command
Addr=X
Addr=X
Check SR.3
1=V
Check SR.1
1=Device Protect Detect
Check SR.4,5
Check SR.5
1=Clear Block Lock-Bits Error
RP#=V
Sequence Error
PP
Error Detect
IH
, Master Lock-Bit is Set
Comments
Comments
Rev. 1.3
22
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