LH28F320SKTD-ZR Sharp Microelectronics, LH28F320SKTD-ZR Datasheet - Page 34
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LH28F320SKTD-ZR
Manufacturer Part Number
LH28F320SKTD-ZR
Description
IC FLASH 32MBIT 70NS 48TSOP
Manufacturer
Sharp Microelectronics
Datasheet
1.LH28F320SKTD-ZR.pdf
(70 pages)
Specifications of LH28F320SKTD-ZR
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
32M (4Mx8, 2Mx16)
Speed
70ns
Interface
Parallel
Voltage - Supply
2.7 V ~ 3.6 V, 4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
48-TSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
425-2463
LHF32KZR
LHF32KZR
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
Write 60H,
Full Status
Successful
Write 01H,
Complete
SR.4,5=
SR.7=
SR.3=
SR.1=
SR.4=
Start
Read
1
0
0
0
0
0
1
1
1
1
Set Block Lock-Bit Error
Command Sequence
Device Protect Error
V
PP
Range Error
Error
Figure 12. Set Block Lock-Bit Flowchart
LHF32KZR
Repeat for subsequent block lock-bit set operations.
Full status check can be done after each block lock-bit set operation
If error is detected, clear the Status Register before attempting
Write FFH after the last block lock-bit set operation to place device in
SR.5,SR.4,SR.3 and SR.1 are only cleared by the Clear Status
or after a sequence of block lock-bit set operations.
read array mode.
Register command in cases where multiple block lock-bits are set before
full status is checked.
retry or other error recovery.
Operation
Operation
Standby
Standby
Standby
Standby
Standby
Read
Write
Write
Bus
Bus
Lock-Bit Confirm
Lock-Bit Setup
Command
Command
Set Block
Set Block
Data=60H
Addr=Block Address
Data=01H,
Addr=Block Address
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Both 1=Command
Check SR.3
1=V
Check SR.1
1=Device Protect Detect
Check SR.4,5
Check SR.4
1=Set Block Lock-Bit Error
Sequence Error
WP#=V
PP
Error Detect
IL
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