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參數(shù)資料
| 型號： | 28F640W30 |
| 廠商： | Intel Corp. |
| 元件分類： | DRAM |
| 英文描述： | 1.8 Volt Intel Wireless Flash Memory with 3 Volt I/O and SRAM (W30) |
| 中文描述： | 1.8伏英特爾無線閃存的3伏的I / O和SRAM（寬30） |
| 文件頁數(shù)： | 29/82頁 |
| 文件大?。?/td> | 749K |
| 代理商： | 28F640W30 |
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28F6408W30, 28F3204W30, 28F320W30, 28F640W30
Preliminary
23
Table 12. Status Register Definitions
DQ
7
DQ
6
DQ
5
DQ
4
DQ
3
DQ
2
DQ
1
DQ
0
DWS
ESS
ES
PS
VPPS
PSS
DPS
PWS
SR.7
SR.6
SR.5
SR.4
SR.3
SR.2
SR.1
SR.0
SR bit
Bit Name
NOTES
SR.7
Device WSM Status (DWS)
0 = Device busy with a program or erase operation.
1 = Device ready.
For EFP, see
Table 13
.
0 = No erase operation, if any, is being suspended.
1 = An erase operation is being suspended.
0 = Block erase successful.
1 = Block erase error. One of three bits set to indicate a command sequence
error.
0 = Word program successful.
1 = Word program error. One of three bits set to indicate a command sequence
error.
0 = V
PP
voltage level > V
PPLK
.
1 = V
PP
voltage level < V
PPLK
. Hardware program/erase lockout.
SR.6
Erase Suspend Status (ESS)
SR.5
Erase Suspend (ES)
SR.4
Program Status (PS)
SR.3
V
PP
Status (VPPS)
Note: This bit does not provide continuous V
PP
feedback. Signal functionality is
not guaranteed when V
PP
≠
V
PP1
or
V
PP2
.
0 = No program operation, if any, is being suspended.
1 = A program operation is being suspended.
0 = Block unlocked.
1 = An erase or program operation was attempted on a locked block. WP# = V
IL
.
0 = No other partition is busy.
1 = Another partition is busy performing an erase or program operation.
For EFP, see
Table 13
.
SR.2
Program Suspend Status (PSS)
SR.1
Device Protect Status (DPS)
SR.0
Partition Write/Erase Status (PWS)
Table 13. Status Register DWS and PWS Description
DWS
(SR.7)
PWS
(SR.0)
Description
0
0
The addressed partition is performing a program/erase operation. No other partition is active.
Enhanced Factory Programming: device is finished programming or verifying data or is ready for data.
0
1
A partition other than the one currently addressed is performing a program/erase operation.
Enhanced Factory Programming: the device is either programming or verifying data.
1
0
No program/erase operation is in progress in any partition. Erase and Program suspend bits (SR.6 and
SR.2) indicate whether other partitions are suspended.
Enhanced Factory Programming: the device has exited EFP mode.
1
1
Won
’
t occur in standard program or erase modes.
Enhanced Factory Programming: this combination will not occur.
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