DT28F016SV-080 Intel Corporation, DT28F016SV-080 Datasheet - Page 22

• Manufacturer Part Number: DT28F016SV-080
• Description: 16-MBIT (1 MBIT x 16/ 2 MBIT x 8) FlashFile MEMORY
• Manufacturer: Intel Corporation

28F016SV FlashFile™ MEMORY
4.6 Global Status Register
NOTE:
1. When multiple operations are queued, checking BSR.7 only provides indication of completion for that particular block.
22
GSR.7 = WRITE STATE MACHINE STATUS
GSR.6 = OPERATION SUSPEND STATUS
GSR.5 = DEVICE OPERATION STATUS
GSR.4 = DEVICE SLEEP STATUS
MATRIX 5/4
GSR.3 = QUEUE STATUS
GSR.2 = PAGE BUFFER AVAILABLE STATUS
GSR.1 = PAGE BUFFER STATUS
GSR.0 = PAGE BUFFER SELECT STATUS
GSR.7 provides indication when all queued operations are completed.
WSMS
7
1 = Ready
0 = Busy
1 = Operation Suspended
0 = Operation in Progress/Completed
1 = Operation Unsuccessful
0 = Operation Successful or Currently
1 = Device in Sleep
0 = Device Not in Sleep
0 0 = Operation Successful or Currently
0 1 = Device in Sleep Mode or Pending
1 0 = Operation Unsuccessful
1 1 = Operation Unsuccessful or
1 = Queue Full
0 = Queue Available
1 = One or Two Page Buffers Available
0 = No Page Buffer Available
1 = Selected Page Buffer Ready
0 = Selected Page Buffer Busy
1 = Page Buffer 1 Selected
0 = Page Buffer 0 Selected
Running
Running
Sleep
Aborted
OSS
6
DOS
5
DSS
4
NOTES:
[1]
to determine completion of an operation (block
lock, suspend, any RY/BY# reconfiguration,
Upload Status Bits, erase or data program)
before the appropriate Status bit (OSS or DOS)
is checked for success.
If operation currently running, then GSR.7 = 0.
If device pending sleep, then GSR.7 = 0.
Operation aborted: Unsuccessful due to Abort
command.
The device contains two Page Buffers.
Selected Page Buffer is currently busy with WSM
operation
RY/BY# output or WSMS bit must be checked
QS
3
PBAS
2
PBS
1
E
PBSS
0