LH28F320S3NS-L11 Sharp Microelectronics, LH28F320S3NS-L11 Datasheet - Page 27

IC FLASH 32MBIT 110NS 56SSOP

LH28F320S3NS-L11

Manufacturer Part Number
LH28F320S3NS-L11
Description
IC FLASH 32MBIT 110NS 56SSOP
Manufacturer
Sharp Microelectronics
Datasheet

Specifications of LH28F320S3NS-L11

Format - Memory
FLASH
Memory Type
FLASH
Memory Size
32M (4Mx8, 2Mx16)
Speed
110ns
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
0°C ~ 70°C
Package / Case
56-SSOP
Lead Free Status / RoHS Status
Contains lead / Request inventory verification
Other names
425-1844
LHF32K01

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FULL STATUS CHECK PROCEDURE
Read Status Register
Write 40H or 10H,
Data and Address
Data(See Above)
Check if Desired
Word/byte Write
Write Word/Byte
Word/Byte Write
Status Register
Read Status
Successful
Write 70H
Full Status
Complete
Register
Address
SR.7=
SR.7=
SR.3=
SR.1=
SR.4=
Start
Read
1
1
0
0
0
0
0
1
1
1
Device Protect Error
Word/byte Write Error
Word/Byte
V
No
Suspend
PP
Write
Range Error
Figure 7. Automated Word/byte Write Flowchart
Suspend Word/Byte
Yes
Write Loop
LHF32K01
Repeat for subsequent word/byte writes.
SR full status check can be done after each word/byte write, or after a sequence of
SR.4,SR.3 and SR.1 are only cleared by the Clear Status Register
If error is detected, clear the Status Register before attempting
Write FFH after the last word/byte write operation to place device in
word/byte writes.
read array mode.
command in cases where multiple locations are written before
full status is checked.
retry or other error recovery.
Operation
Operation
Standby
Standby
Standby
Standby
Standby
Read
Read
Write
Write
Write
Bus
Bus
Setup Word/Byte
Word/Byte Write
Read Status
Command
Command
Register
Write
Data=70H
Addr=X
Data=40H or 10H
Addr=Location to Be Written
Data=Data to Be Written
Addr=Location to Be Written
1=WSM Ready
Check SR.3
1=V
Check SR.1
1=Device Protect Detect
WP#=V
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Status Register Data
Check SR.7
0=WSM Busy
Only required for systems
implementing lock-bit configuration
Check SR.4
1=Data Write Error
PP
Error Detect
IL
,Block Lock-Bit is Set
Comments
Comments
Rev. 1.55
24

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