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S29GL01GT13TFNyyxx Datasheet(Fiches technique) 34 Page - Cypress Semiconductor

Numéro de pièce S29GL01GT13TFNyyxx
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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 34 page
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Document Number: 002-00247 Rev. *G
Page 34 of 105
S29GL01GT, S29GL512T
5.4.9.6
Password ASO
The system can access the Password ASO by issuing the Password entry command sequence during Read Mode. This entry
command does not use a sector address from the entry command. The Password appears at word locations 0 to 3 in the device
address space. All other locations in the device address space are undefined.
The Password ASO allows the following activities:
Read Password, using device address location 0 to 3 (if not locked).
Program the Password using a modified Word Programming command.
Unlock the PPB Lock bit with the Password Unlock command.
ASO Exit using legacy Command Set Exit command for backward software compatibility.
ASO Exit using the common exit command for all ASO — alternative for a consistent exit method.
5.4.9.7
PPB ASO
The system can access the PPB ASO by issuing the PPB entry command sequence during Read Mode. This entry command does
not use a sector address from the entry command. The PPB bit for a sector appears in bit 0 of all word locations in the sector.
The PPB ASO allows the following activities:
Read PPB protection status of a sector in bit 0 of any word in the sector.
Program the PPB bit using a modified Word Programming command.
Erase all PPB bits with the PPB erase command.
ASO Exit using legacy Command Set Exit command for backward software compatibility.
ASO Exit using the common exit command for all ASO — alternative for a consistent exit method.
5.4.9.8
PPB Lock ASO
The system can access the PPB Lock ASO by issuing the PPB Lock entry command sequence during Read Mode. This entry
command does not use a sector address from the entry command. The global PPB Lock bit appears in bit 0 of all word locations in
the device.
The PPB Lock ASO allows the following activities:
Read PPB Lock protection status in bit 0 of any word in the device address space.
Set the PPB Lock bit using a modified Word Programming command.
ASO Exit using legacy Command Set Exit command for backward software compatibility.
ASO Exit using the common exit command for all ASO — alternative for a consistent exit method.
5.4.9.9
DYB ASO
The system can access the DYB ASO by issuing the DYB entry command sequence during Read Mode. This entry command does
not use a sector address from the entry command. The DYB bit for a sector appears in bit 0 of all word locations in the sector.
The DYB ASO allows the following activities:
Read DYB protection status of a sector in bit 0 of any word in the sector.
Set the DYB bit using a modified Word Programming command.
Clear the DYB bit using a modified Word Programming command.
ASO Exit using legacy Command Set Exit command for backward software compatibility.
ASO Exit using the common exit command for all ASO — alternative for a consistent exit method.




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