T28F016SA-150 查看數據表（PDF） - Intel
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T28F016SA-150 Datasheet PDF : 55 Pages
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E
28F016SA
4.6 Global Status Register
WSMS
7
OSS
6
DOS
5
DSS
4
QS
PBAS
PBS
PBSS
3
2
1
0
NOTES:
GSR.7 = WRITE STATE MACHINE STATUS
1 = Ready
0 = Busy
[1] RY/BY# output or WSMS bit must be checked
to determine completion of an operation (block
lock, erase suspend, any RY/BY# reconfig-
uration, Upload Status Bits, block erase or data
program) before the appropriate Status bit (OSS
or DOS) is checked for success.
GSR.6 = OPERATION SUSPEND STATUS
1 = Operation Suspended
0 = Operation in Progress/Completed
GSR.5 = DEVICE OPERATION STATUS
1 = Operation Unsuccessful
0 = Operation Successful or Currently
Running
GSR.4 = DEVICE SLEEP STATUS
1 = Device in Sleep
0 = Device Not in Sleep
MATRIX 5/4
0 0 = Operation Successful or Currently
Running
0 1 = Device in Sleep Mode or Pending
Sleep
1 0 = Operation Unsuccessful
1 1 = Operation Unsuccessful or
Aborted
If operation currently running, then GSR.7 = 0.
If device pending sleep, then GSR.7 = 0.
Operation aborted: Unsuccessful due to Abort
command.
GSR.3 = QUEUE STATUS
1 = Queue Full
0 = Queue Available
GSR.2 = PAGE BUFFER AVAILABLE STATUS
1 = One or Two Page Buffers Available
0 = No Page Buffer Available
The device contains two Page Buffers.
GSR.1 = PAGE BUFFER STATUS
1 = Selected Page Buffer Ready
0 = Selected Page Buffer Busy
Selected Page Buffer is currently busy with WSM
operation.
GSR.0 = PAGE BUFFER SELECT STATUS
1 = Page Buffer 1 Selected
0 = Page Buffer 0 Selected
NOTE:
1. When multiple operations are queued, checking BSR.7 only provides indication of completion for that particular block.
GSR.7 provides indication when all queued operations are completed.
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