LH28F160S5T-L80 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
Manufacturer
LH28F160S5T-L80
Sharp Electronics
LH28F160S5T-L80 Datasheet PDF : 55 Pages
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LH28F160S5-L/S5H-L
Start
Write 70H
Read
Status Register
SR.7 = 0
1
Write 40H or 10H,
Address
Write Word/Byte
Data and Address
Read
Status Register
SR.7 = 0
1
Full Status
Check if Desired
Suspend Word/Byte
No
Write Loop
Suspend
Word/Byte
Write
Yes
BUS
OPERATION COMMAND
COMMENTS
Write
Read Status Data = 70H
Register Addr = X
Read
Status Register Data
Standby
Check SR.7
1 = WSM Ready
0 = WSM Busy
Write
Setup Word/ Data = 40H or 10H
Byte Write Addr = Location to be Written
Write
Word/Byte Data = Data to be Written
Write
Addr = Location to be Written
Read
Status Register Data
Standby
Check SR.7
1 = WSM Ready
0 = WSM Busy
Repeat for subsequent word/byte writes.
SR full status check can be done after each word/byte write
or after a sequence of word/byte writes.
Write FFH after the last word/byte write operation to place
device in read array mode.
Word/Byte Write
Complete
FULL STATUS CHECK PROCEDURE
Read Status Register
Data (See Above)
1
SR.3 =
0
1
SR.1 =
0
1
SR.4 =
0
Word/Byte Write
Successful
VPP Range Error
Device Protect
Error
Word/Byte Write
Error
BUS
OPERATION COMMAND
COMMENTS
Standby
Standby
Standby
Check SR.3
1 = VPP Error Detect
Check SR.1
1 = Device Protect Detect
WP# = VIL, Block Lock-Bit is Set
Only required for systems implement-
ing block lock-bit configuration
Check SR.4
1 = Data Write Error
SR.4, SR.3 and SR.1 are only cleared by the Clear Status
Register command in cases where multiple locations are
written before full status is checked.
If error is detected, clear the status register before attempting
retry or other error recovery.
Fig. 5 Automated Word/Byte Write Flowchart
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