lh28f160s5h-l Sharp Microelectronics of the Americas, lh28f160s5h-l Datasheet - Page 31

• Manufacturer Part Number: lh28f160s5h-l
• Description: M-bit Smart Flash Memories Fast Programming
• Manufacturer: Sharp Microelectronics of the Americas

FULL STATUS CHECK PROCEDURE
Read Status Register
Set Block Lock-Bit
Set Block Lock-Bit
Data (See Above)
Check if Desired
Status Register
Block Address
Block Address
Successful
Write 60H,
Write 01H,
Full Status
Complete
SR.4, 5 =
SR.7 =
SR.3 =
SR.1 =
SR.4 =
Read
Start
1
0
0
0
0
0
1
1
1
1
Command Sequence
Device Protect Error
Set Block Lock-Bit
V
PP
Range Error
Fig. 10 Set Block Lock-Bit Flowchart
Error
Error
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OPERATION
OPERATION
Write
Write
Read
Standby
Standby
Standby
Standby
Standby
Repeat for subsequent block lock-bit set operations.
Full status check can be done after each block lock-bit set
operation or after a sequence of block lock-bit set operations.
Write FFH after the last block lock-bit set operation to place
device in read array mode.
SR.5, SR.4, SR.3 and SR.1 are only cleared by the Clear
Status Register command in cases where multiple block
lock-bits are set before full status is checked.
If error is detected, clear the status register before attempting
retry or other error recovery.
BUS
BUS
COMMAND
COMMAND
Set Block
Set Block
Lock-Bit
Lock-Bit
Confirm
Setup
Check SR.3
1 = V
Check SR.1
1 = Device Protect Detect
WP# = V
Check SR.4, 5
Both 1 = Command Sequence Error
Check SR.4
1 = Set Block Lock-Bit Error
Data = 60H
Addr = Block Address
Data = 01H
Addr = Block Address
Status Register Data
Check SR.7
1 = WSM Ready
0 = WSM Busy
PP
Error Detect
IL
COMMENTS
COMMENTS
LH28F160S5-L/S5H-L