LH28F160S5T-L70A Sharp Microelectronics, LH28F160S5T-L70A Datasheet - Page 31

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LH28F160S5T-L70A

Manufacturer Part Number
LH28F160S5T-L70A
Description
IC FLASH 16MBIT 70NS 56TSOP
Manufacturer
Sharp Microelectronics
Datasheet

Specifications of LH28F160S5T-L70A

Rohs Status
RoHS non-compliant
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
16M (2M x 8 or 1M x 16)
Speed
70ns
Interface
Parallel
Voltage - Supply
4.75 V ~ 5.25 V
Operating Temperature
0°C ~ 70°C
Package / Case
56-TSOP
Other names
425-1840
LHF16KA9

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sharp
FULL STATUS CHECK PROCEDURE
Read Status Register
Set Block Lock-Bit
Data(See Above)
Set Block Lock-Bit
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
LHF16KA9
Repeat for subsequent block lock-bit set operations.
Full status check can be done after each block lock-bit set operation
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
Write FFH after the last block lock-bit set operation to place device in
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
Set Block
Command
Set Block
Data=60H
Data=01H,
Addr=Block Address
Addr=Block Address
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Check SR.4,5
Both 1=Command
Check SR.4
Check SR.3
1=V
Check SR.1
1=Device Protect Detect
1=Set Block Lock-Bit Error
Sequence Error
WP#=V
PP
Error Detect
IL
Comments
Comments
Rev. 2.0
28

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