參數(shù)資料
型號: S71GL256NB0
廠商: Spansion Inc.
英文描述: Stacked Multi-chip Product (MCP)
中文描述: 堆疊式多芯片產(chǎn)品(MCP)
文件頁數(shù): 73/147頁
文件大?。?/td> 1655K
代理商: S71GL256NB0
June 14, 2004 S29GLxxxN_00_A4
S29GLxxxN MirrorBit
TM
Flash Family
73
A d v a n c e I n f o r m a t i o n
ing diagrams. Figure 19 shows the differences between DQ2 and DQ6 in graphical
form. See also the subsection on DQ2: Toggle Bit II.
Figure 6. Toggle Bit Algorithm
DQ2: Toggle Bit II
The “Toggle Bit II” on DQ2, when used with DQ6, indicates whether a particular
sector is actively erasing (that is, the Embedded Erase algorithm is in progress),
or whether that sector is erase-suspended. Toggle Bit II is valid after the rising
edge of the final WE# pulse in the command sequence.
START
No
Yes
Yes
DQ5 = 1
No
Yes
DQ6 = Toggle
No
Read Byte
(DQ0-DQ7)
Address = VA
DQ6 = Toggle
Read Byte Twice
(DQ 0-DQ7)
Adrdess = VA
Read Byte
(DQ0-DQ7)
Address = VA
FAIL
PASS
Note:
The system should recheck the toggle bit even if DQ5
= “1” because the toggle bit may stop toggling as DQ5
changes to “1.” See the subsections on DQ6 and DQ2 for
more information.
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