参数资料
型号: M28W320FSB
厂商: 意法半导体
英文描述: 32Mbit (2Mb x16) and 64Mbit (4Mb x16) 3V Supply, Boot Block, Secure Flash Memories
中文描述: 32兆(含2Mb × 16)和64Mbit(4Mb的x16)的3V电源,启动块,安全闪存
文件页数: 9/45页
文件大小: 299K
代理商: M28W320FSB
17/45
M28W320EBT, M28W320EBB
When a Program/Erase Resume command is is-
sued the Program Suspend Status bit returns Low.
Block Protection Status (Bit 1). The Block Pro-
tection Status bit can be used to identify if a Pro-
gram or Erase operation has tried to modify the
contents of a protected block.
When the Block Protection Status bit is High (set
to ‘1’), a Program or Erase operation has been at-
tempted on a protected block.
Once set High, the Block Protection Status bit can
only be reset Low by a Clear Status Register com-
mand or a hardware reset. If set High it should be
reset before a new command is issued, otherwise
the
new
command
will
appear
to
fail.
Reserved (Bit 0). Bit 0 of the Status Register is
reserved. Its value must be masked.
Note: Refer to Appendix C, Flowcharts and
Pseudo Codes, for using the Status Register.
Table 8. Status Register Bits
Note: Logic level ’1’ is High, ’0’ is Low.
Bit
Name
Logic Level
Definition
7
P/E.C. Status
’1’
Ready
’0’
Busy
6
Erase Suspend Status
’1’
Suspended
’0’
In progress or Completed
5
Erase Status
’1’
Erase Error
’0’
Erase Success
4
Program Status
’1’
Program Error
’0’
Program Success
3
VPP Status
’1’
VPP Invalid, Abort
’0’
VPP OK
2
Program Suspend Status
’1’
Suspended
’0’
In Progress or Completed
1
Block Protection Status
’1’
Program/Erase on protected Block, Abort
’0’
No operation to protected blocks
0
Reserved
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