®
Numonyx™ StrataFlash Embedded Memory (J3-65nm)
Figure 21: Block Erase Flowchart
Start
Command Cycle
- Issue Erase command
- Address = Block to be erased
- Data = 0x20
Confirm Cycle
- Issue Confirm command
- Address = Block to be erased
- Data = Erase confirm (0xD0)
Check Ready Status
- Read Status Register Command not required
- Perform read operation
- Read Ready Status on signal SR.7
No
No
Erase Suspend
See Suspend/
Yes
No
SR.7 = '1'
?
Suspend
?
Errors
?
Resume Flowchart
Yes
Yes
Error-Handler
Read Status Register
User Defined Routine
- Toggle CE# or OE# to update Status Register
- See Status Register Flowchart
End
December 2008
319942-02
Datasheet
61
NUMONYX [ NUMONYX B.V ]
