參數(shù)資料
型號: MX28F160C3BXAC-90
廠商: MACRONIX INTERNATIONAL CO LTD
元件分類: DRAM
英文描述: 16M-BIT [1M x16] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY
中文描述: 1M X 16 FLASH 3V PROM, 90 ns, PBGA48
封裝: 8 X 6 MM, 1.20 MM HEIGHT, 0.75 MM PITCH, MO-207, CSP-48
文件頁數(shù): 31/44頁
文件大?。?/td> 429K
代理商: MX28F160C3BXAC-90
31
P/N:PM0867
MX28F160C3T/B
REV. 1.2, MAR. 17, 2004
Figure 8. Automated Sector Erase Flowchart
Bus
Operation
Write
Command
Comments
Erase Setup Data=20H
Addr=Within Sector to Be
Erased
Data=D0H
Addr=Within Sector to Be
Erased
Status Register Data Toggle
CE or OE to Update Status
Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
Write
Erase
Confirm
Read
Standby
Repeat for subsequent sector erasures.
Full status check can be done after each sector erase
or after a sequence of sector erasures.
Write FFH after the last write operation to reset device
to read array mode.
Bus
Operation
Standby
Command
Comments
Check SR.3
1=VPP Low Detect
Check SR.4, 5
Both 1=Command
Sequence Error
Check SR.5
1=Sector Erase Error
Check SR.1
1=Attempted Erase of
Locked Sector- Erase
Aborted
Standby
Standby
Standby
SR.1 and SR.3 MUST be cleared, if set during an erase
attempt, before further attempts are allowed by the
Write State Machine.
SR.1,3,4,5 are only cleared by the Clear Status Reg-
ister Command, in cases where multiple bytes are
erased before full status is checked.
If an error is detected, clear the status register before
attempting retry or other error recovery.
Start
Write 20H
Write D0H and
Sector Address
Full Status Check if Desired
Sector Erase Complete
Read
Status Register
Suspend
Erase Loop
0
No
Yes
1
SR.7=
Suspend Erase
Read Status Register
Data(See Above)
FULL STATUS CHECK PROCEDURE
Sector Erase Successful
SR.3=
0
0
0
0
VPP Range Error
1
Command Sequence Error
1
Sector Erase Error
1
SR.4,5=
SR.5=
Attempted Erase of Locked
Sector - Aborted
1
SR.1=
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