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參數(shù)資料
| 型號： | M25PE40VMW6TP |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 2A Standard Fixed Output LDO Regulators; Package: TO220FP-3; Constitution materials list: Packing style: Tube packaging; Package quantity: 50; Minimum package quantity: 500; |
| 中文描述： | 4兆位，低電壓，頁式可擦除的字節(jié)變性，50MHz的SPI總線，標(biāo)準(zhǔn)引腳串行閃存 |
| 文件頁數(shù)： | 26/60頁 |
| 文件大?。?/td> | 315K |
| 代理商： | M25PE40VMW6TP |
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Instructions
M25PE40
26/60
6.5
Write Status Register (WRSR)
The Write Status Register (WRSR) instruction allows new values to be written to the Status
Register.
Note:
The Status Register BPi and SRWD bits are available in the in the T9HX process only. See
Important note on page 6
for more details.
Before the Write Status Register (WRSR) instruction can be accepted, a Write Enable
(WREN) instruction must previously have been executed. After the Write Enable (WREN)
instruction has been decoded and executed, the device sets the Write Enable Latch (WEL).
The Write Status Register (WRSR) instruction is entered by driving Chip Select (S) Low,
followed by the instruction code and the data byte on Serial Data Input (D).
The instruction sequence is shown in
Figure 11
.
The Write Status Register (WRSR) instruction has no effect on b6, b5, b1 and b0 of the
Status Register. b6 and b5 are always read as 0.
Chip Select (S) must be driven High after the eighth bit of the data byte has been latched in.
If not, the Write Status Register (WRSR) instruction is not executed. As soon as Chip Select
(S) is driven High, the self-timed Write Status Register cycle (whose duration is t
W
) is
initiated. While the Write Status Register cycle is in progress, the Status Register may still
be read to check the value of the Write In Progress (WIP) bit. The Write In Progress (WIP)
bit is 1 during the self-timed Write Status Register cycle, and is 0 when it is completed.
When the cycle is completed, the Write Enable Latch (WEL) is reset.
The Write Status Register (WRSR) instruction allows the user to change the values of the
Block Protect (BP2, BP1, BP0) bits, to define the size of the area that is to be treated as
read-only, as defined in
Table 3
. The Write Status Register (WRSR) instruction also allows
the user to set or reset the Status Register Write Disable (SRWD) bit in accordance with the
Write Protect (W) signal (see
Section 6.4.4
).
If a Write Status Register (WRSR) instruction is interrupted by a Reset Low pulse, the
internal cycle of the Write Status Register operation (whose duration is t
W
) is first completed
(provided that the supply voltage V
CC
remains within the operating range). After that the
device enters the Reset mode (see also
Table 12: Device status after a Reset Low pulse
and
Table 22: Timings after a Reset Low pulse
).
Figure 11.
Write Status Register (WRSR) instruction sequence
C
D
AI02282D
S
Q
2
1
3
4
5
6
7
8
9 10 11 12 13 14 15
High Impedance
Instruction
Status
Register In
0
7
6
5
4
3
2
0
1
MSB
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M25PE80-VMN6G | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25PE80-VMN6P | 2A Standard Fixed Output LDO Regulators with Shutdown Switch; Package: TO220FP-5; Constitution materials list: Packing style: Tube packaging; Package quantity: 50; Minimum package quantity: 500; |
| M25PE80-VMN6TG | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25PE80-VMN6TP | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25PX32 | 4 Mbit Uniform Sector, Serial Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M25PE40-VMW6TP | 制造商:NUMONYX 制造商全稱:Numonyx B.V 功能描述:4 Mbit, page-erasable serial Flash memory with byte alterability, 75 MHz SPI bus, standard pinout |
| M25PE40-WMW6TG | 制造商:Micron Technology Inc 功能描述:4MB SERIAL FLASH - Tape and Reel |
| M25PE80 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 Mbit, Low Voltage, Page-Erasable Serial Flash Memory with Byte-Alterability, 50MHz SPI Bus, Standard Pin-out |
| M25PE80-VMN6G | 制造商:NUMONYX 制造商全稱:Numonyx B.V 功能描述:8-Mbit, page-erasable serial flash memory with byte alterability, 75 MHz SPI bus, standard pinout |
| M25PE80-VMN6P | 功能描述:閃存 SERIAL FLASH RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
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