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S29GL01GT12TFByyx Datasheet(Fiches technique) 26 Page - Cypress Semiconductor

Numéro de pièce S29GL01GT12TFByyx
Description  1 Gbit (128 Mbyte), 512 Mbit (64 Mbyte)
Télécharger  105 Pages
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Fabricant  CYPRESS [Cypress Semiconductor]
Site Internet  http://www.cypress.com
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 26 page
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Document Number: 002-00247 Rev. *G
Page 26 of 105
S29GL01GT, S29GL512T
Legend:
SA = Sector Address (Non-Sector Address bits are don't care. Any address within the Sector is sufficient.)
WBL = Write Buffer Location (MUST be within the boundaries of the Write-Buffer-Line specified by the Starting Address.)
WC =Word Count
PD = Program Data
5.4.2
Program Suspend / Program Resume Commands
The Program Suspend command allows the system to interrupt an embedded programming operation so that data can read from
any non-suspended Line. When the Program Suspend command is written during a programming process, the device halts the
programming operation within tPSL (program suspend latency) and updates the status bits. Addresses are don't-cares when writing
the Program Suspend command.
There are two commands available for program suspend. The legacy combined Erase / Program suspend command (B0h command
code) and the separate Program Suspend command (51h command code). There are also two commands for Program resume. The
legacy combined Erase / Program resume command (30h command code) and the separate Program Resume command (50h
command code). It is recommended to use the separate program suspend and resume commands for programming and use the
legacy combined command only for erase suspend and resume.
After the programming operation has been suspended, the system can read array data from any non-suspended Line. The Program
Suspend command may also be issued during a programming operation while an erase is suspended. In this case, data may be
read from any addresses not in Erase Suspend or Program Suspend.
After the Program Resume command is written, the device reverts to programming and the status bits are updated. The system can
determine the status of the program operation by reading the Status Register or using Data Polling. Refer to Status Register
on page 36 for information on these status bits. Refer to Data Polling Status on page 37 for more information.
Accesses and commands that are valid during Program Suspend are:
Read to any other non-erase-suspended sector
Read to any other non-program-suspended Line
Status Read command
Status Register Clear
Exit ASO or Command Set Exit
Program Resume command
Table 5.1 Write Buffer Programming Command Sequence
Sequence
x16
x8
Comment
Address
Data
Address Data
Issue Unlock Command 1
555
AA
AAA
AA
Issue Unlock Command 2
2AA
55
555
55
Issue Write to Buffer
Command at Sector Address
SA
0025h
SA
25h
Issue Number of Locations at
Sector Address
Example:
WC of 0 = 1 word to pgm
WC of 1 = 2 words to pgm
SA
WC
SA
WC
WC = number of words to program – 1
(in x8 mode WC = number of bytes to program – 1)
Load Starting Address / Data
pair
Starting
Address
PD
Starting
Address
PD
Selects Write-Buffer-Page and loads first Address/Data Pair.
Load next Address / Data
pair
WBL
PD
WBL
PD
All addresses MUST be within the selected write-buffer-page
boundaries, and have to be loaded in sequential order.
Load LAST Address/Data
pair
WBL
PD
WBL
PD
All addresses MUST be within the selected write-buffer-page
boundaries, and have to be loaded in sequential order.
Issue Write Buffer Program
Confirm at Sector Address
SA
0029h
SA
29h This command MUST follow the last write buffer location
loaded, or the operation will ABORT.
Device goes busy.




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