參數(shù)資料
型號(hào)： S29GL064A10BAIW12
廠商： SPANSION LLC
元件分類(lèi)： PROM
英文描述： 4M X 16 FLASH 3V PROM, 100 ns, PBGA64
封裝： FBGA-64
文件頁(yè)數(shù)： 58/97頁(yè)
文件大?。?/td> 3490K
代理商： S29GL064A10BAIW12
January 11, 2006 S29GL-A_00_A5
S29GL-A MirrorBit Flash Family
59
Pr el im i n a r y
Notes:
1.See Table 30 and Table 31 for program command sequence.
2.See the section on DQ3 for information on the sector erase timer.
Figure 6. Erase Operation
Erase Suspend/Erase Resume Commands
The Erase Suspend command, B0h, allows the system to interrupt a sector erase
operation and then read data from, or program data to, any sector not selected
for erasure. This command is valid only during the sector erase operation, in-
cluding the 50 s time-out period during the sector erase command sequence.
The Erase Suspend command is ignored if written during the chip erase opera-
tion or Embedded Program algorithm.
When the Erase Suspend command is written during the sector erase operation,
the device requires a typical of 5 μs (maximum of 20 μs) to suspend the erase
operation. However, when the Erase Suspend command is written during the
sector erase time-out, the device immediately terminates the time-out period
and suspends the erase operation.
After the erase operation is suspended, the device enters the erase-sus-
pend-read mode. The system can read data from or program data to any sector
not selected for erasure. (The device erase suspends all sectors selected for era-
sure.) Reading at any address within erase-suspended sectors produces status
information on DQ7–DQ0. The system can use DQ7, or DQ6 and DQ2 together,
to determine if a sector is actively erasing or is erase-suspended. Refer to Write
Operation Status on page 63 for information on these status bits.
After an erase-suspended program operation is complete, the device returns to
the erase-suspend-read mode. The system can determine the status of the pro-
gram operation using the DQ7 or DQ6 status bits, just as in the standard word
program operation. Refer to Write Operation Status on page 63 for more
information.
START
Write Erase
Command Sequence
(Notes 1, 2)
Data Poll to Erasing
Bank from System
Data = FFh?
No
Yes
Erasure Completed
Embedded
Erase
algorithm
in progress
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