參數資料
型號: 29PL256N
廠商: Spansion Inc.
英文描述: 256/128/128 Mb (16/8/8 M x 16-Bit) CMOS, 3.0 Volt-only Simultaneous Read/Write, Page-Mode Flash Memory
中文描述: 256/128/128字節(jié)(16/8/8 M中的x 16位),3.0伏的CMOS只同步讀/寫,頁模式閃存
文件頁數: 38/74頁
文件大小: 1968K
代理商: 29PL256N
38
S29PL-N MirrorBit
Flash Family
S29PL-N_00_A5 June 6, 2007
D a t a
S h e e t
( P r e l i m i n a r y )
Figure 7.4
Write Operation Status Flowchart
Notes
1. DQ6 is toggling if Read2 DQ6 does not equal Read3 DQ6.
2. DQ2 is toggling if Read2 DQ2 does not equal Read3 DQ2.
3. May be due to an attempt to program a 0 to 1. Use the RESET command to exit operation.
4. Write buffer error if DQ1 of last read =1.
5. Invalid state, use RESET command to exit operation.
6. Valid data is the data that is intended to be programmed or all 1's for an erase operation.
7. Data polling algorithm valid for all operations except advanced sector protection.
START
Read 1
DQ7=valid
data
YES
NO
Read 1
DQ5=1
YES
NO
Write Buffer
Programming
YES
NO
Device BUSY,
Re-Poll
Read3
DQ1=1
YES
NO
Read 2
Read 3
Read 2
Read 3
Read 2
Read 3
Read3 DQ1=1
AND DQ7
Valid Data
YES
NO
(Note 4)
Write Buffer
Operation Failed
DQ6
toggling
YES
NO
TIMEOUT
(Note 1)
(Note 3)
Programming
Operation
DQ6
toggling
YES
NO
YES
NO
DQ2
toggling
YES
NO
Erase
Operation
Complete
Device in
Erase/Suspend
Mode
Program
Operation
Failed
DEVICE
ERROR
Erase
Operation
Complete
Read3= valid
data
YES
NO
Device BUSY,
Re-Poll
Device BUSY,
Re-Poll
Device BUSY,
Re-Poll
(Note 1)
(Note 2)
(Note 6)
(Note 5)
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