PF38F1030W0YCQEA Micron Technology Inc, PF38F1030W0YCQEA Datasheet - Page 69
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PF38F1030W0YCQEA
Manufacturer Part Number
PF38F1030W0YCQEA
Description
Manufacturer
Micron Technology Inc
Datasheet
1.PF38F1030W0YCQEA.pdf
(102 pages)
Specifications of PF38F1030W0YCQEA
Operating Supply Voltage (max)
1.95V
Operating Temperature (max)
85C
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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Numonyx™ Wireless Flash Memory (W18)
Figure 30: Block Erase Flowchart
12.3
November 2007
Order Number: 290701-18
Read-While-Write and Read-While-Erase
The Numonyx™ Wireless Flash Memory (W18) supports flexible multi-partition dual-
operation architecture. By dividing the flash memory into many separate partitions, the
device can read from one partition while programing or erasing in another partition;
hence the terms, RWW and RWE. Both of these features greatly enhance data storage
performance.
Block Address
Write D0h and
Block Address
Status Check
Read Status
Read Status
Block Erase
Block Erase
Successful
(if desired)
Full Erase
Write 20h
Complete
SR[5:4] =
Register
Register
SR[7] =
SR[3] =
SR[5] =
SR[1] =
Start
1
0
0
0
0
0
1
1
1
1
Sequence Error
Locked Block
Block Erase
V
Command
Suspend
Erase of
PP
Aborted
Erase
Error
Error
Range
No
FULL ERASE STATUS CHECK PROCEDURE
Yes
Suspend
BLOCK ERASE PROCEDURE
Erase
Loop
Operation
Repeat for subsequent block erasures.
Full status register check can be done after each block erase
or after a sequence of block erasures.
Operation
SR[3,1] must be cleared before the WSM will allow further
erase attempts.
Only the Clear Status Register command clears SR[5:3,1].
If an error is detected, clear the Status register before
attempting an erase retry or other error recovery.
Standby
Standby
Standby
Standby
Standby
Write
Write
Read
Bus
Bus
Command
Command
Confirm
Erase
Setup
Erase
Block
Data = 20h
Addr = Block to be erased (BA)
Data = D0h
Addr = Block to be erased (BA)
Read SRD
Toggle CE# or OE# to update SRD
Check SR[7]
1 = WSM ready
0 = WSM busy
Check SR[3]
1 = V
Check SR[5:4]
Both 1 = Command sequence error
Check SR[5]
1 = Block erase error
Check SR[1]
1 = Attempted erase of locked block
Erase aborted
PP
error
Comments
Comments
Datasheet
69
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