LH28F800BJE-PTTL90 Sharp Microelectronics, LH28F800BJE-PTTL90 Datasheet - Page 23
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LH28F800BJE-PTTL90
Manufacturer Part Number
LH28F800BJE-PTTL90
Description
IC FLASH 8MBIT 90NS 48TSOP
Manufacturer
Sharp Microelectronics
Datasheet
1.LH28F800BJE-PTTL90.pdf
(57 pages)
Specifications of LH28F800BJE-PTTL90
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
8M (1M x 8 or 512K x 16)
Speed
90ns
Interface
Parallel
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
48-TSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
425-1821
LHF80J01
LHF80J01
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LH28F800BJE-PTTL90
Manufacturer:
SHARP
Quantity:
1 900
Part Number:
LH28F800BJE-PTTL90
Manufacturer:
SHARP
Quantity:
20 000
FULL STATUS CHECK PROCEDURE
Word/Byte Write Successful
Read Status Register
Write 40H or 10H
Write Word/Byte
Data and Address
Word/Byte Write
Check if Desired
Data(See Above)
Status Register
Read Status
Full Status
Write 70H
Complete
Register
SR.3=
SR.4=
SR.7=
SR.7=
SR.1=
Read
Start
1
1
0
0
0
0
0
1
1
1
Word/Byte Write Error
Device Protect Error
V
Word/Byte
Suspend
CCW
No
Write
Range Error
Figure 8. Automated Word/Byte Write Flowchart
Yes
Suspend Word/Byte
Write Loop
Repeat for subsequent word/byte writes.
SR full status check can be done after each word/byte write, or after a sequence of
Write FFH after the last word/byte write operation to place device in read array mode.
SR.4, SR.3 and SR.1 are only cleared by the Clear Status Register command in cases
If error is detected, clear the Status Register before attempting retry or other error recovery.
Operation
word/byte writes.
Operation
where multiple locations are written before full status is checked.
Standby
Standby
Standby
Standby
Standby
Write
Write
Write
Read
Read
Bus
Bus
Setup Word/Byte Write
Word/Byte Write
Read Status
Command
Command
Register
Data=70H
Addr=X
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Data=40H or 10H
Addr=X
Data=Data to Be Written
Addr=Location to Be Written
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Check SR.3
1=V
Check SR.1
1=Device Protect Detect
Check SR.4
1=Data Write Error
CCW
Error Detect
Comments
Comments
Rev. 1.27