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參數(shù)資料
| 型號： | M58WR032F-ZBF |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | CAP 560PF 100V 1% NP0(C0G) AXIAL RAD.20 BULK R-MIL-PRF-20 STANDOFF |
| 中文描述： | 32兆位（含2Mb × 16，多銀行，突發(fā)）1.8V電源快閃記憶體 |
| 文件頁數(shù)： | 23/86頁 |
| 文件大?。?/td> | 1306K |
| 代理商： | M58WR032F-ZBF |
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M58WR032FT, M58WR032FB
STATUS REGISTER
The Status Register provides information on the
current or previous Program or Erase operations.
Issue a Read Status Register command to read
the contents of the Status Register, refer to
Read
Status Register Command
section for more de-
tails. To output the contents, the Status Register is
latched and updated on the falling edge of the
Chip Enable or Output Enable signals and can be
read until Chip Enable or Output Enable returns to
V
IH
. The Status Register can only be read using
single asynchronous or single synchronous reads.
Bus Read operations from any address within the
bank, always read the Status Register during Pro-
gram and Erase operations.
The various bits convey information about the sta-
tus and any errors of the operation. Bits SR7, SR6,
SR2 and SR0 give information on the status of the
device and are set and reset by the device. Bits
SR5, SR4, SR3 and SR1 give information on er-
rors, they are set by the device but must be reset
by issuing a Clear Status Register command or a
hardware reset. If an error bit is set to ‘1’ the Status
Register should be reset before issuing another
command. SR7 to SR1 refer to the status of the
device while SR0 refers to the status of the ad-
dressed bank.
The bits in the Status Register are summarized in
Table 8., Status Register Bits
. Refer to
Table 8.
in
conjunction with the following text descriptions.
Program/Erase Controller Status Bit (SR7).
The
Program/Erase Controller Status bit indicates
whether the Program/Erase Controller is active or
inactive in any bank. When the Program/Erase
Controller Status bit is Low (set to ‘0’), the Pro-
gram/Erase Controller is active; when the bit is
High (set to ‘1’), the Program/Erase Controller is
inactive, and the device is ready to process a new
command.
The Program/Erase Controller Status is Low im-
mediately after a Program/Erase Suspend com-
mand is issued until the Program/Erase Controller
pauses. After the Program/Erase Controller paus-
es the bit is High.
During Program, Erase, operations the Program/
Erase Controller Status bit can be polled to find the
end of the operation. Other bits in the Status Reg-
ister should not be tested until the Program/Erase
Controller completes the operation and the bit is
High.
After the Program/Erase Controller completes its
operation the Erase Status, Program Status, V
PP
Status and Block Lock Status bits should be tested
for errors.
Erase Suspend Status Bit (SR6).
The
Suspend Status bit indicates that an Erase opera-
tion has been suspended or is going to be sus-
Erase
pended in the addressed block. When the Erase
Suspend Status bit is High (set to ‘1’), a Program/
Erase Suspend command has been issued and
the memory is waiting for a Program/Erase Re-
sume command.
The Erase Suspend Status should only be consid-
ered valid when the Program/Erase Controller Sta-
tus bit is High (Program/Erase Controller inactive).
SR7 is set within the Erase Suspend Latency time
of the Program/Erase Suspend command being
issued therefore the memory may still complete
the operation rather than entering the Suspend
mode.
When a Program/Erase Resume command is is-
sued the Erase Suspend Status bit returns Low.
Erase Status Bit (SR5).
The Erase Status bit
can be used to identify if the memory has failed to
verify that the block or bank has erased correctly.
When the Erase Status bit is High (set to ‘1’), the
Program/Erase Controller has applied the maxi-
mum number of pulses to the block or bank and
still failed to verify that it has erased correctly. The
Erase Status bit should be read once the Program/
Erase Controller Status bit is High (Program/Erase
Controller inactive).
Once set High, the Erase Status bit can only be re-
set Low by a Clear Status Register command or a
hardware reset. If set High it should be reset be-
fore a new Program or Erase command is issued,
otherwise the new command will appear to fail.
Program Status Bit (SR4).
The Program Status
bit is used to identify a Program failure or an at-
tempt to program a ‘1’ to an already programmed
bit when V
PP
= V
PPH
.
When the Program Status bit is High (set to ‘1’),
the Program/Erase Controller has applied the
maximum number of pulses to the byte and still
failed to verify that it has programmed correctly.
After an attempt to program a '1' to an already pro-
grammed bit, the Program Status bit SR4 only
goes High (set to '1') if V
PP
= V
PPH
(if V
PP
is differ-
ent from V
PPH
, SR4 remains Low (set to '0') and
the attempt is not shown).
The Program Status bit should be read once the
Program/Erase Controller Status bit is High (Pro-
gram/Erase Controller inactive).
Once set High, the Program Status bit can only be
reset Low by a Clear Status Register command or
a hardware reset. If set High it should be reset be-
fore a new command is issued, otherwise the new
command will appear to fail.
V
PP
Status Bit (SR3).
The V
PP
Status bit can be
used to identify an invalid voltage on the V
PP
pin
during Program and Erase operations. The V
PP
pin is only sampled at the beginning of a Program
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M58WR032F-ZBE | 32 Mbit (2Mb x 16, Multiple Bank, Burst) 1.8V Supply Flash Memory |
| M58WR032FB80ZB6T | 32 Mbit (2Mb x 16, Multiple Bank, Burst) 1.8V Supply Flash Memory |
| M58WR032FT | 32 Mbit (2Mb x 16, Multiple Bank, Burst) 1.8V Supply Flash Memory |
| M58WR032FT60ZB6 | 32 Mbit (2Mb x 16, Multiple Bank, Burst) 1.8V Supply Flash Memory |
| M58WR032FT80ZB6E | 32 Mbit (2Mb x 16, Multiple Bank, Burst) 1.8V Supply Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M58WR032F-ZBT | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32 Mbit (2Mb x 16, Multiple Bank, Burst) 1.8V Supply Flash Memory |
| M58WR032KB70ZB6E | 制造商:Micron Technology Inc 功能描述:NOR Flash Parallel/Serial 1.8V 32Mbit 2M x 16bit 70ns 56-Pin VFBGA 制造商:Micron Technology Inc 功能描述:32M (X16) 1.8V, MULTIPLE BANK BURST, VFBGA56, IND, HAZMAT - Trays 制造商:Micron Technology Inc 功能描述:IC FLASH 32MBIT 70NS 56VFBGA |
| M58WR032KB70ZB6F | 制造商:Micron Technology Inc 功能描述:WIRELESS - Tape and Reel |
| M58WR032KB70ZB6F TR | 制造商:Micron Technology Inc 功能描述:IC FLASH 32MBIT 70NS 56VFBGA |
| M58WR032KB70ZB6W | 制造商:Micron Technology Inc 功能描述:2MX16 NOR FLASH PLASTIC PBF VFBGA 3.0V - Tape and Reel |
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