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參數(shù)資料
| 型號： | M25PE80-VMN6P |
| 廠商： | 意法半導體 |
| 英文描述： | 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; |
| 中文描述： | 8兆位，低電壓，頁式可擦除的字節(jié)變性，50MHz的SPI總線，標準引腳串行閃存 |
| 文件頁數(shù)： | 32/61頁 |
| 文件大小： | 326K |
| 代理商： | M25PE80-VMN6P |
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Instructions
M25PE80
32/61
6.9
Page Write (PW)
The Page Write (PW) instruction allows Bytes to be written in the memory. Before it can be
accepted, a Write Enable (WREN) instruction must previously have been executed. After the
Write Enable (WREN) instruction has been decoded, the device sets the Write Enable Latch
(WEL).
The Page Write (PW) instruction is entered by driving Chip Select (S) Low, followed by the
instruction code, three address Bytes and at least one data Byte on Serial Data Input (D).
The rest of the page remains unchanged if no power failure occurs during this write cycle.
The Page Write (PW) instruction performs a page erase cycle even if only one Byte is
updated.
If the 8 least significant address bits (A7-A0) are not all zero, all transmitted data exceeding
the addressed page boundary roll over, and are written from the start address of the same
page (the one whose 8 least significant address bits (A7-A0) are all zero). Chip Select (S)
must be driven Low for the entire duration of the sequence.
The instruction sequence is shown in
Figure 15
.
If more than 256 Bytes are sent to the device, previously latched data are discarded and the
last 256 data Bytes are guaranteed to be written correctly within the same page. If less than
256 Data Bytes are sent to device, they are correctly written at the requested addresses
without having any effects on the other Bytes of the same page.
For optimized timings, it is recommended to use the Page Write (PW) instruction to write all
consecutive targeted Bytes in a single sequence versus using several Page Write (PW)
sequences with each containing only a few Bytes.
Chip Select (S) must be driven High after the eighth bit of the last data Byte has been
latched in, otherwise the Page Write (PW) instruction is not executed.
As soon as Chip Select (S) is driven High, the self-timed Page Write cycle (whose duration
is t
PW
) is initiated. While the Page Write cycle is in progress, the Status Register may 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 Page Write cycle, and is 0 when it is completed. At some unspecified
time before the cycle is complete, the Write Enable Latch (WEL) bit is reset.
A Page Write (PW) instruction applied to a page that is Hardware or Software Protected is
not executed.
Any Page Write (PW) instruction, while an Erase, Program or Write cycle is in progress, is
rejected without having any effects on the cycle that is in progress.
If Reset (Reset) is driven Low while a Page Write (PW) cycle is in progress, the Page Write
cycle is interrupted and the programmed data may be corrupted (see
Table 15: Device
status after a Reset Low pulse
). On Reset going Low, the device enters the Reset mode and
a time of t
RHSL
is then required before the device can be re-selected by driving Chip Select
(S) Low. For the value of t
RHSL
see
Table 24: Timings after a Reset Low pulse
in
Section 11:
DC and AC parameters
.
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相關代理商/技術參數(shù) |
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|---|---|
| M25PE80-VMN6TG | 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 |
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| M25PE80-VMN6TPBA | 制造商:Micron Technology Inc 功能描述:NOR Flash Serial-SPI 3.3V 8Mbit 1M x 8bit 8ns T/R 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Tape and Reel 制造商:Micron Technology Inc 功能描述:IC FLASH 8MX1 PBF SOIC 3.0V |
| M25PE80-VMP6 | 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-VMP6G | 功能描述:閃存 8 Mbit Lo Vltg Page Erasable Seral 閃存 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 結構: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 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
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