LRS13023 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'LRS13023' PDF : 61 Pages View PDF
SHARP
LRS13023
22
Comment3
Check If Deeired
Suspmd Black
Read
I
status Register Data
I
Check SR7
l.W!SM Ready
O=WSM Busy
Repeat for subsequent block erasores.
Full ,tailhls check can be done after each block erase or after a eequence of
bbck erasuree.
Write FFH after Ibe kut operation to phwe device in read array mode.
FULL STATUS CHECK PROCEDURE
Read Status Beg&r
IhtaCSee Above)
Comments
Cheek SR3
l=Vpp Error Detect
I Stmdby
Check SRI
Idkvice protect Detect
i?&Vt,,Block
Only required
implementing
Lock-Bit is Set
for systems
lock-bit configuration
Check SR4.5
Both I=Command
Sequence Error
Check SRS
l=Block Erase Error
SRS,SR4SR3 and SR.1 are only cleared by the Clear Status
Register Command in casea where multiple blocks are erased
before full etatoe b checked.
If error isdetected, clear the Status Register before attempting
retry or other error recovery.
Block EmseSucceseful
Figure 4. Automated Block Erase Flowchart
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