28F640W30 NUMONYX [Numonyx B.V], 28F640W30 Datasheet - Page 64

• Manufacturer Part Number: 28F640W30
• Description: Numonyx Wireless Flash Memory (W30)
• Manufacturer: NUMONYX [Numonyx B.V]

Figure 29: Enhanced Factory Program Flowchart
Datasheet
64
1. WA
2. For proper verification to occur , the verify data stream must be presented to the device in the
3. Bits that did not fully program with the single WSM pulse of the EFP program phase receive
Standby
Standby
Standby
State
Write
Write
Write
Read
Bus
Address) must remain constant throughout the program phase data stream; WA can be held
constant at the first address location, or it can be written to sequence up through the addresses
within the block. Writing to a BBA not equal to that of the block currently being written to
terminates the EFP program phase, and instructs the device to enter the EFP verify phase.
same sequence as that of the program phase data stream. Writing to a BBA not equal to WA
terminates the EFP verify phase, and instructs the device to exit EFP .
additional program-pulse attempts during the EFP verify phase. The device will report any
program failure by setting SR[4]=1; this check can be performed during the full status check after
EFP has been exited for that block, and will indicate any error within the entire data stream.
Check V
errors (SR[3,1])
Address = WA
Address = WA
EFP setup time
Status Register
EFP Setup
0
Unlock Block
EFP Setup
SR[7]=1=N
= first Word Address to be programmed within the target block. The BBA (Block Base
V
Write 30h
Write D0h
PP
Done?
Condition
Read
Start
Confirm
Exit
Unlock
Done?
Check
Setup
Setup
= 12V
Block
Error
PP
EFP
EFP
EFP
& Lock
EFP Setup
0
0
V
Unlock block
Data = 30h
Address = WA
Data = D0h
Address = WA
EFP setup time
Status Register
Check SR[7]
0 = EFP ready
1 = EFP not ready
If SR[7] = 1:
SR[3] = 1 = V
SR[1] = 1 = locked block
PP
Check SR[3,1]
= 12V
Comments
SR[0]=1=N
PP
0
0
ENHANCED FACTORY PROGRAMMING PROCEDURE
error
N
EFP Program
Status Register
Address = WA
Status Register
Address BBA
Data Stream
Write FFFFh
SR[0] =0=Y
SR[0]=0=Y
Write Data
Program
Ready?
Done?
Data?
Read
Read
Standby
Standby
Standby
Last
(note 1)
State
Read
Write
Read
Write
Bus
Y
0
Program
Program
Ready?
Stream
Done?
Data?
Phase
Data
Last
Exit
EFP Program
Status Register
Check SR[0]
0 = Ready for data
1 = Not ready for data
Data = Data to program
Address = WA
Status Register
Check SR[0]
0 = Program done
1 = Program not done
Device automatically
increments address.
Data = FFFFh
Address not within same
BBA
SR[0]=1=N
Comments
N
0
Status Register
Status Register
Numonyx™ Wireless Flash Memory (W30)
Numonyx™ Wireless Flash Memory (W30)
EFP Verify
Address = WA
Address BBA
Verify Stream
Write FFFFh
SR[0] =0=Y
SR[0]=0=Y
Write Data
Ready?
Done?
Data?
Verify
Read
Read
Last
Y
0
Standby
Standby
Standby
Standby
Repeat for subsequent operations.
After EFP exit, a Full Status Check can
determine if any program error occurred.
See the Full Status Check procedure in the
Word Program flowchart.
(note 2)
(note 3)
State
Read
Write
Read
Write
Read
Bus
Ready?
Stream
Exited?
Done?
Phase
Data?
Verify
Verify
Verify
Order Number: 290702-13
Last
EFP
Exit
SR[7]=0=N
EFP Verify
EFP Exit
Status Register
Check SR[0]
0 = Ready for verify
1 = Not ready for verify
Data = Word to verify
Address = WA
Status Register
Check SR[0]
0 = Verify done
1 = Verify not done
Device automatically
increments address.
Data = FFFFh
Address not within same
BBA
Status Register
Check SR[7]
0 = Exit not finished
1 = Exit completed
Full Status Check
Status Register
EFP Exit
November 2007
Comments
SR[7]=1=Y
Procedure
Operation
Complete
Exited?
Read
EFP
0