參數(shù)資料
型號: W78M64120SBI
廠商: MICROSEMI CORP-PMG MICROELECTRONICS
元件分類: PROM
英文描述: 8M X 64 FLASH 3.3V PROM, 120 ns, PBGA159
封裝: 13 X 22 MM, 1.27 MM PITCH, PLASTIC, BGA-159
文件頁數(shù): 26/50頁
文件大?。?/td> 1679K
代理商: W78M64120SBI
White Electronic Designs
W78M64VP-XSBX
White Electronic Designs Corp. reserves the right to change products or specications without notice.
32
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
November 2009
2010 White Electronic Designs Corp. All rights reserved
Rev. 10
Write Unlock Cycles:
Address 555h, Data AAh
Address 2AAh, Data 55h
Issue
Write Buffer Load Command:
Address SA, Data 25h
Load Word Count to Program
Program Data to Address:
SA, wc
Unlock Cycle 1
Unlock Cycle 2
wc = number of words – 1
Yes
No
wc = 0?
Write Buffer
Abort Desired?
Write Buffer
Abort?
Polling Status
= Done?
Error?
FAIL. Issue reset command
to return to read array mode.
Write to a Different
Sector Address to Cause
Write Buffer Abort
PASS. Device is in
read mode.
Confirm command:
SA = 0x29h
Perform Polling Algorithm
(see Write Operation Status
flowchart)
Write Next Word,
Decrement wc:
wc = wc – 1
RESET. Issue Write Buffer
Abort Reset Command
FIG: 6 WRITE BUFFER PROGRAMMING OPERATION
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