®
Numonyx™ StrataFlash Embedded Memory (J3-65nm)
Figure 23: Status Register Flowchart
Start
Command Cycle
- Issue Status Register Command
- Address = any device address
- Data = 0x70
Data Cycle
- Read Status Register SR[7:0]
No
SR7 = '1'
Yes
Yes
Yes
- Set/Reset
by WSM
Erase Suspend
SR6 = '1'
See Suspend/Resume Flowchart
No
Program Suspend
SR2 = '1'
See Suspend/Resume Flowchart
No
Error
Yes
Yes
Yes
SR5 = '1'
SR4 = '1'
Command Sequence
No
No
Error
Erase Failure
Error
SR4 = '1'
Program Failure
No
- Set by WSM
- Reset by user
- See Clear Status
Register Command
Yes
Yes
Error
SR3 = '1'
VPEN/PP
< VPENLK/PPLK
No
Error
Block Locked
SR1 = '1'
No
End
December 2008
319942-02
Datasheet
63
NUMONYX [ NUMONYX B.V ]
