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參數(shù)資料
| 型號： | S29PL127J70BFI000 |
| 廠商： | SPANSION LLC |
| 元件分類： | PROM |
| 英文描述： | 8M X 16 FLASH 3V PROM, 70 ns, PBGA80 |
| 封裝： | 11 X 8 MM, LEAD FREE, FBGA-80 |
| 文件頁數(shù)： | 57/97頁 |
| 文件大?。?/td> | 3042K |
| 代理商： | S29PL127J70BFI000 |
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60
S29PL-J
S29PL-J_00_A10 September 7, 2007
Data
Sheet
(Adv an ce
Inf o r m a t io n)
Figure 15.1 Program Operation
Note
See Table 15.1 on page 64 for program command sequence.
15.6
Chip Erase Command Sequence
Chip erase is a six bus cycle operation. The chip erase command sequence is initiated by writing two unlock
cycles, followed by a set-up command. Two additional unlock write cycles are then followed by the chip erase
command, which in turn invokes the Embedded Erase algorithm. The device does not require the system to
preprogram prior to erase. The Embedded Erase algorithm automatically preprograms and verifies the entire
memory for an all zero data pattern prior to electrical erase. The system is not required to provide any
controls or timings during these operations. Table 15.1 on page 64 shows the address and data requirements
for the chip erase command sequence.
When the Embedded Erase algorithm is complete, that bank returns to the read mode and addresses are no
longer latched. The system can determine the status of the erase operation by using DQ7, DQ6, DQ2, or RY/
BY#. Refer to Write Operation Status on page 66 for information on these status bits.
Any commands written during the chip erase operation are ignored. Note that Secured Silicon Sector,
autoselect, and CFI functions are unavailable when a [program/erase] operation is in progress. However,
note that a hardware reset immediately terminates the erase operation. If that occurs, the chip erase
command sequence should be reinitiated once that bank has returned to reading array data, to ensure data
integrity.
Figure 15.2 on page 61 illustrates the algorithm for the erase operation. Refer to the tables in Erase/Program
Operations on page 78 for parameters, and Figure 20.8 on page 80 for timing diagrams.
START
Write Program
Command Sequence
Data Poll
from System
Verify Data?
No
Yes
Last Address?
No
Yes
Programming
Completed
Increment Address
Embedded
Program
algorithm
in progress
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