參數(shù)資料
型號: GE28F640W30TD70
廠商: INTEL CORP
元件分類: PROM
英文描述: 4M X 16 FLASH 1.8V PROM, 70 ns, PBGA56
封裝: 0.75 MM PITCH, VFBGA-56
文件頁數(shù): 64/104頁
文件大?。?/td> 1443K
代理商: GE28F640W30TD70
28F640W30, 28F320W30, 28F128W30
June 2005
Intel Wireless Flash Memory (W30)
Datasheet
62
Order Number: 290702, Revision: 011
Figure 28.
Word Program Flowchart
Suspend
Program
Loop
Start
Write 40h,
Word Address
Write Data
Word Address
Read Status
Register
SR[7] =
Full Program
Status Check
(if desired)
Program
Complete
FULL PROGRAM STATUS CHECK PROCEDURE
Suspend
Program
Read Status
Register
Program
Successful
SR[3] =
SR[1] =
0
SR[4] =
0
1
0
No
Yes
V
PP Range
Error
Device
Protect Error
Program
Error
WORD PROGRAM PROCEDURE
SR[3] MUST be cleared before the WSM will allow further
program attempts
Only the Clear Staus Register command clears SR[4:3,1].
If an error is detected, clear the status register before
attempting a program retry or other error recovery.
Standby
Bus
Operation
Command
Check SR[3]
1 = V
PP error
Check SR[4]
1 = Data program error
Comments
Repeat for subsequent programming operations.
Full status register check can be done after each program or
after a sequence of program operations.
Comments
Bus
Operation
Command
Data = 40h
Addr = Location to program (WA)
Write
Program
Setup
Data = Data to program (WD)
Addr = Location to program (WA)
Write
Data
Read SRD
Toggle CE# or OE# to update SRD
Read
Check SR[7]
1 = WSM ready
0 = WSM busy
Standby
Check SR[1]
1 = Attempted program to locked block
Program aborted
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