e28f016xd Intel Corporation, e28f016xd Datasheet - Page 18

• Manufacturer Part Number: e28f016xd
• Description: 16-mbit 1 Mbit X 16 Dram-interface Flash Memory
• Manufacturer: Intel Corporation

28F016XD FLASH MEMORY
4.6 Block Status Register
18
BSR.7 = BLOCK STATUS
BSR.6 = BLOCK LOCK STATUS
BSR.5 = BLOCK OPERATION STATUS
BSR.2 = V
BSR.1 = V
BSR.4,3,0 = RESERVED FOR FUTURE ENHANCEMENTS
These bits are reserved for future use; mask them out when polling the BSRs.
BS
7
1 = Ready
0 = Busy
1 = Block Unlocked for Program/Erase
0 = Block Locked for Program/Erase
1 = Operation Unsuccessful
0 = Operation Successful or
1 = V
0 = V
1 = V
0 = V
PP
PP
Currently Running
STATUS
LEVEL
PP
PP
PP
PP
BLS
6
Error Detect, Operation Abort
OK
Detected at 5.0V ± 10%
Detected at 12.0V ± 5%
BOS
5
R
4
NOTES:
RY/BY# output or BS bit must be checked to
determine completion of an operation (block lock,
suspend, erase or data program) before the
appropriate Status bits (BOS, BLS) is checked
for success.
BSR.1 is not guaranteed to report accurate
feedback between the V
ranges. Programs and erases with V
V
V
V
not be attempted.
BSR.1 was a RESERVED bit on the 28F016SA.
PPLK
PPH1
PPH2
R
3
(max) and V
(max) and V
(max) produce spurious results and should
VPPS
2
PPH1
PPH2
(min), and above
(min), between
PPH1
VPPL
and V
1
PPH2
PP
E
between
voltage
R
0