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S29GL01GT11FAIyyx Datasheet(Fiches technique) 43 Page - Cypress Semiconductor

Numéro de pièce S29GL01GT11FAIyyx
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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Document Number: 002-00247 Rev. *G
Page 43 of 105
S29GL01GT, S29GL512T
SR[3] = 0; Program not aborted
SR[2] = 0; No Program in suspension
SR[1] = 1; Error due to attempting to change a protected location
SR[0] = X; RFU, treat as don’t care (masked)
Commands that are accepted after the protection error status busy period are:
Any command
5.6.3
Write Buffer Abort
If an error occurs during a Write to Buffer command the device (EAC) remains busy. The RY/BY# output remains Low, data polling
status continues to be overlaid on all address locations, and the status register shows ready with valid status bits. The device
remains busy until the error status is detected by the host system status monitoring and the error status is cleared.
During write to buffer abort (WBA) error status the Data Polling status will show the following:
DQ7 is the inversion of the DQ7 bit in the last word loaded into the write buffer
DQ6 continues to toggle, independent of the address used to read status
DQ5 = 0; to indicate no failure of the programming operation. WBA is an error in the values input by the Write to Buffer command
before the programming operation can begin
DQ4 is RFU and should be treated as don’t care (masked)
DQ3 is don't care after program operation as no erase is in progress. If the Write Buffer Program operation was started after an
erase operation had been suspended then DQ3 = 1. If there was no erase operation in progress then DQ3 is a don't care and
should be masked.
DQ2 does not toggle after program operation as no erase is in progress. If the Write Buffer Program operation was started after
an erase operation had been suspended then DQ2 will toggle in the sector where the erase operation was suspended and not in
any other sector. If there was no erase operation in progress then DQ2 is a don't care and should be masked.
DQ1 = 1: Write buffer abort error
DQ0 is RFU and should be treated as don’t care (masked)
During write to buffer abort (WBA) error status the Status Register will show the following:
SR[7] = 1; Valid status displayed
SR[6] = X; May or may not be erase suspended during the WBA error status
SR[5] = 0; Erase successful
SR[4] = 1; Programming related error
SR[3] = 1; Write buffer abort
SR[2] = 0; No Program in suspension
SR[1] = 0; Sector not locked during operation
SR[0] = X; RFU, treat as don’t care (masked)
When the WBA error status is detected, it is necessary to clear the error status in order to return to normal operation, with RY/BY#
High, ready for a new read or command write. The error status can be cleared and device returned to normal operation by writing:
Write Buffer Abort Reset command
Status Register Clear command
Commands that are accepted during write to buffer abort (WBA) error status are:
Status Register Read
– Reads the status register and returns to WBA busy state
Write Buffer Abort Reset command
Status Register Clear command




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