lh28f160s5h-l Sharp Microelectronics of the Americas, lh28f160s5h-l Datasheet - Page 27

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

Write Word or Byte Count (N) _ 1,
Yes
Write Buffer Data,
Write Buffer Data,
Check if Desired
Device Address
Multi Word/Byte
Write Complete
Status Register
Status Register
Start Address
Start Address
Write E8H,
Full Status
Write D0H
X = X + 1
Start Address
XSR.7 =
Buffer Write
Command?
SR.7 =
X = N
Read
Another
Read
X = 0
Start
Write ?
Buffer
Abort
1
No
No
No
1
Yes
0
0
Yes
Fig. 6 Automated Multi Word/Byte Write Flowchart
Multi Word/Byte
Multi Word/Byte
Block Address
Write Another
Suspend
Write Abort
Write
Write Buffer
Time-Out
No Suspend Multi Word/Byte
No
Yes
Yes
Write Loop
- 27 -
OPERATION
Write
Read
Standby
Write
(NOTE 1)
Write
(NOTE 2, 3)
Write
(NOTE 4, 5)
Write
Read
Standby
NOTES :
1. Byte or word count values on DQ
2. Write buffer contents will be programmed at the start
3. Align the start address on a write buffer boundary for
4. The device aborts the Multi Word/Byte Write command
5. The status register indicates an "improper command
SR full status check can be done after each multi word/byte
write or after a sequence of multi word/byte writes.
Write FFH after the last multi word/byte write operation to
place device in read array mode.
BUS
if the current address is outside of the original block address.
sequence" if the Multi Word/Byte Write command is aborted.
Follow this with a Clear Status Register command.
count register.
address.
maximum programming performance.
Word/Byte Write
COMMAND
Setup Multi
Data = E8H
Addr = Start Address
Extended Status Register Data
Check XSR.7
1 = Multi Word/Byte Write Ready
0 = Multi Word/Byte Write Busy
Data = Word or Byte Count (N) _ 1
Addr = Start Address
Data = Buffer Data
Addr = Start Address
Data = Buffer Data
Addr = Device Address
Data = D0H
Addr = X
Status Register Data
Check SR.7
1 = WSM Ready
0 = WSM Busy
LH28F160S5-L/S5H-L
0-7
COMMENTS
are loaded into the