參數(shù)資料
型號(hào): S29WS128N0LBFW010
廠商: SPANSION LLC
元件分類: PROM
英文描述: 256/128/64 MEGABIT CMOS 1.8 VOLT ONLY SIMULTANEOUS READ/WRITE BURST MODE FLASH MEMORY
中文描述: 8M X 16 FLASH 1.8V PROM, 70 ns, PBGA84
封裝: 11.60 X 8 MM, LEAD FREE, PLASTIC, FBGA-84
文件頁(yè)數(shù): 22/95頁(yè)
文件大?。?/td> 1745K
代理商: S29WS128N0LBFW010
October 29, 2004 S29WSxxxN_00_F0
29
Pre l i m i n a r y
A hardware reset immediately terminates the program operation. The program command
sequence should be reinitiated once the device has returned to the read mode, to ensure
data integrity.
Programming to the same address multiple times continuously (for example, “walking” a
bit within a word) for an extended period is not recommended. For more information,
contact your local sales office.
Figure 7.19. Single Word Program
Write Unlock Cycles:
Address 555h, Data AAh
Address 2AAh, Data 55h
Write Program Command:
Address 555h, Data A0h
Program Data to Address:
PA, PD
Unlock Cycle 1
Unlock Cycle 2
Setup Command
Program Address (PA),
Program Data (PD)
FAIL. Issue reset command
to return to read array mode.
Perform Polling Algorithm
(see Write Operation Status
flowchart)
Yes
No
Polling Status
= Busy?
Polling Status
= Done?
Error condition
(Exceeded Timing Limits)
PASS. Device is in
read mode.
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