PF38F5070M0Y0T0 NUMONYX [Numonyx B.V], PF38F5070M0Y0T0 Datasheet - Page 80
PF38F5070M0Y0T0
Manufacturer Part Number
PF38F5070M0Y0T0
Description
Numonyx StrataFlash Wireless Memory
Manufacturer
NUMONYX [Numonyx B.V]
Datasheet
1.PF38F5070M0Y0T0.pdf
(98 pages)
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Figure 35: Block Erase Flowchart
Datasheet
80
Block Address
Block Address
Status Check
Read Status
Read Status
Block Erase
Block Erase
Write 0x20,
Write 0xD0,
(if desired)
Successful
Full Erase
Complete
SR[4,5] =
Register
Register
SR[7] =
SR[3] =
SR[5] =
SR[1] =
Start
1
0
0
0
0
1
1,1
1
1
(Erase Confirm)
0
(Block Erase)
Sequence Error
Block Locked
Block Erase
V
Command
Suspend
PP
Erase
Error
Error
Error
FULL ERASE STATUS CHECK PROCEDURE
Range
No
BLOCK ERASE PROCEDURE
Yes
Suspend
Erase
Loop
Operation Command
Repeat for subsequent block erasures.
Full Status register check can be done after each block erase
or after a sequence of block erasures.
Write 0xFF after the last operation to enter read array mode.
Operation
Only the Clear Status Register command clears SR[1, 3, 4, 5].
If an error is detected, clear the Status register before
attempting an erase retry or other error recovery.
Write
Write
Read
Bus
Bus
Idle
Idle
Idle
Idle
Idle
Numonyx™ StrataFlash
Command
Confirm
Block
Erase
Setup
Erase
None
None
None
None
None
None
Data = 0x20
Addr = Block to be erased (BA)
Data = 0xD0
Addr = Block to be erased (BA)
Status Register data.
Check SR[7]:
1 = WSM ready
0 = WSM busy
Check SR[3]:
1 = V
Check SR[4,5]:
Both 1 = Command Sequence Error
Check SR[5]:
1 = Block Erase Error
Check SR[1]:
1 = Attempted erase of locked block;
erase aborted.
PP
Range Error
®
Wireless Memory (L18 AD-Mux)
Comments
Comments
Order Number: 313295-04
November 2007
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