LH28F320S3NS-L11 Sharp Microelectronics, LH28F320S3NS-L11 Datasheet - Page 33

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

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

sharp
FULL STATUS CHECK PROCEDURE
Read Status Register
Clear Block Lock-Bits
Clear Block Lock-Bits
Data(See Above)
Check if Desired
Status Register
Successful
Full Status
Write 60H
Write D0H
Complete
SR.4,5=
SR.7=
SR.3=
SR.1=
SR.5=
Start
Read
1
0
0
0
0
0
1
1
1
1
Command Sequence
Device Protect Error
Clear Block Lock-Bits
V
PP
Range Error
Error
Error
Figure 13. Clear Block Lock-Bits Flowchart
LHF32K01
Write FFH after the Clear Block Lock-Bits operation to
place device in read array mode.
SR.5,SR.4,SR.3 and SR.1 are only cleared by the Clear Status
If error is detected, clear the Status Register before attempting
Register command.
retry or other error recovery.
Operation
Operation
Standby
Standby
Standby
Standby
Standby
Read
Write
Write
Bus
Bus
Lock-Bits Confirm
Lock-Bits Setup
Clear Block
Clear Block
Command
Command
Data=60H
Addr=X
Data=D0H
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Check SR.4,5
Both 1=Command
Addr=X
Check SR.3
1=V
Check SR.1
1=Device Protect Detect
Check SR.5
1=Clear Block Lock-Bits Error
WP#=V
Sequence Error
PP
Error Detect
IL
Comments
Comments
Rev. 1.55
30