參數(shù)資料
型號(hào): LH28F160BHE-TTL90
廠(chǎng)商: Sharp Corporation
英文描述: 16M (x8/x16) Flash Memory
中文描述: 1,600(x8/x16)閃存
文件頁(yè)數(shù): 21/46頁(yè)
文件大?。?/td> 679K
代理商: LH28F160BHE-TTL90
Bus
Operation
Command
Comments
Write
Write
Read
Standby
Full Chip Erase
Confirm
Data=30H
Addr=X
Data=D0H
Addr=X
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Full status check can be done after each full chip erase.
Write FFH after the last operation to place device in read array mode.
Bus
Operation
Command
Comments
Standby
Check SR.4,5
Both 1=Command Sequence Error
SR.5, SR.4, SR.3 and SR.1 are only cleared by the Clear Status Register Command in cases
where multiple blocks are erased before full status is checked.
If error is detected, clear the Status Register before attempting retry or other error recovery.
Check SR.5
1=Full Chip Erase Error
Standby
Standby
Check SR.3
1=V
CCW
Error Detect
FULL STATUS CHECK PROCEDURE
Read Status Register
Data(See Above)
SR.3=
1
0
V
CCW
Range Error
Command Sequence
Error
Full Chip Erase Error
SR.4,5=
SR.5=
1
1
0
0
Full Chip Erase
Successful
Start
Write 30H
Write D0H
Read Status
Register
SR.7=
0
1
Full Status
Check if Desired
Full Chip Erase
Complete
Write 70H
Read Status
Register
SR.7=
0
1
Write
Read
Read Status
Register
Data=70H
Addr=X
Standby
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Full Chip Erase
Setup
Device Protect Error
SR.1=
1
0
Standby
Check SR.1
1=Device Protect Detect
(All Blocks are locked)
LHF16J04
19
Rev. 1.26
Figure 6. Automated Full Chip Erase Flowchart
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