PF38F5070M0Q0B0 NUMONYX [Numonyx B.V], PF38F5070M0Q0B0 Datasheet - Page 76
PF38F5070M0Q0B0
Manufacturer Part Number
PF38F5070M0Q0B0
Description
Manufacturer
NUMONYX [Numonyx B.V]
Datasheet
1.PF38F5070M0Q0B0.pdf
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9.0
9.1
Table 29: Status Register Bit Definitions (Sheet 1 of 2)
Datasheet
76
Status Register (SR) Bits
Reserved
15-10
15-10
9-8
Bit
7
6
5
4
3
Program
Reserved
Region Program Status
Ready Status
Erase Suspend Status
Erase
Error /
Blank
Check
Error
Program
Error
V
Region
Status
PP
9-8
NOR Flash Operations
This section describes the operational features of NOR flash memory. Operations are
command-based—command codes are first issued to the device, and then the device
performs the desired operation. All command codes are issued to the device using bus-
write cycles as explained in
complete list of available command codes can be found in
Command Codes” on page
Status Register
The Status Register (SR) is a 16-bit, read-only register that indicates device and
partition status, and operational errors. To read the Status Register, issue the Read
Status Register command. Subsequent reads output Status Register information on
AD/DQ[15:10].
SR status bits are set and cleared by the device. SR error bits are set by the device,
and must be cleared using the Clear Status Register command. Upon power-up or exit
from reset, the Status Register defaults to 0080h.
Error
Command
Sequence Error
Ready
Status
Name
7
Suspend
Status
Erase
6
Reserved for future use; these bits will always be set to zero.
SR9
0
1
0
1
0
1
0
1
SR5
0
0
1
1
0
1
Erase
Error
= Device is busy; SR[9:8], SR[6:1] are invalid;
= Device is ready; SR[9:8], SR[6:1] are valid.
= Erase suspend not in effect.
= Erase suspend in effect.
= V
= V
5
40.
Section 3.0, “NOR Flash Bus Interface” on page
SR8
0
0
1
1
SR4
0
1
0
1
PP
PP
= Region program successful.
= Region program error - Attempted write with object data to Control
= Region program error - Attempted rewrite to Object Mode region.
= Region program error - Attempted write using illegal command.
= Program or erase operation successful.
= Program error - operation aborted.
= Erase error: operation aborted / Blank check error: operation failed.
= Command sequence error - command aborted.
within acceptable limits during program or erase operation.
not within acceptable limits during program or erase operation.
Program
Mode region.
SR4 will also be set along with SR[8,9] for the above error
conditions.
Error
4
Program
Voltage
/Erase
Error
Numonyx™ StrataFlash
3
Description
Program
Suspend
Status
2
Section 5.0, “Device
Locked
®
Block-
Error
Default Value = 0080h
Cellular Memory (M18)
1
10. A
Partition
Status
309823-10
April 2008
0
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