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参数资料
| 型号： | PH28F128W18BD60A |
| 厂商： | INTEL CORP |
| 元件分类： | PROM |
| 英文描述： | 8M X 16 FLASH 1.8V PROM, 60 ns, PBGA56 |
| 封装： | 9 X 11 MM, 1 MM HEIGHT, LEAD FREE, VFBGA-56 |
| 文件页数： | 67/106页 |
| 文件大小： | 1496K |
| 代理商： | PH28F128W18BD60A |
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Intel
Wireless Flash Memory (W18)
Datasheet
Intel Wireless Flash Memory (W18)
07-Dec-2005
Order Number: 290701, Revision: 015
63
Table 22.
Status Register Definitions
DWS
ESS
ES
PS
VPPS
PSS
DPS
PWS
7
654
32
10
Table 23.
Status Register Descriptions
Bit
Name
State
Description
7
DWS
Device WSM Status
0 = Device WSM is Busy
1 = Device WSM is Ready
SR[7] indicates erase or program completion in the
device. SR[6:1] are invalid while SR[7] = 0. See Table
24 for valid SR[7] and SR[0] combinations.
6
ESS
Erase Suspend Status
0 = Erase in progress/completed
1 = Erase suspended
After issuing an Erase Suspend command, the WSM
halts and sets SR[7] and SR[6]. SR[6] remains set until
the device receives an Erase Resume command.
5
ES
Erase Status
0 = Erase successful
1 = Erase error
SR[5] is set if an attempted erase failed. A Command
Sequence Error is indicated when SR[7,5:4] are set.
4
PS
Program Status
0 = Program successful
1 = Program error
SR[4] is set if the WSM failed to program a word.
3
VPPS
VPP Status
0 = VPP OK
1 = VPP low detect, operation aborted
The WSM indicates the VPP level after program or
erase completes. SR[3] does not provide continuous
VPP feedback and isn’t guaranteed when VPP ≠ VPP1/2.
2
PSS
Program Suspend
Status
0 = Program in progress/completed
1 = Program suspended
After receiving a Program Suspend command, the
WSM halts execution and sets SR[7] and SR[2]. They
remain set until a Resume command is received.
1
DPS
Device Protect Status
0 = Unlocked
1 = Aborted erase/program attempt on
locked block
If an erase or program operation is attempted to a
locked block (if WP# = VIL), the WSM sets SR[1] and
aborts the operation.
0
PWS
Partition Write Status
0 = This partition is busy, but only if
SR[7]=0
1 = Another partition is busy, but only if
SR[7]=0
Addressed partition is erasing or programming. In EFP
mode, SR[0] indicates that a data-stream word has
finished programming or verifying depending on the
particular EFP phase. See Table 24 for valid SR[7] and
SR[0] combinations.
Table 24.
Status Register Device WSM and Partition Write Status Description
DWS
(SR[7])
PWS
(SR[0])
Description
00
The addressed partition is performing a program/erase operation.
EFP: device has finished programming or verifying data, or is ready for data.
01
A partition other than the one currently addressed is performing a program/erase operation.
EFP: the device is either programming or verifying data.
10
No program/erase operation is in progress in any partition. Erase and Program suspend bits (SR[6,2])
indicate whether other partitions are suspended.
EFP: the device has exited EFP mode.
11
Won’t occur in standard program or erase modes.
EFP: this combination does not occur.
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