參數(shù)資料
型號： M25PE40VMW6G
廠商： STMICROELECTRONICS
元件分類： PROM
英文描述： 512K X 8 SPI BUS SERIAL EEPROM, PDSO8
封裝： 0.208 INCH, ROHS COMPLIANT, PLASTIC, SOP-8
文件頁數(shù)： 27/62頁
文件大?。?/td> 565K
代理商： M25PE40VMW6G
M25PE40
Instructions
33/62
6.10
Page Program (PP)
The Page Program (PP) instruction allows bytes to be programmed in the memory
(changing bits from 1 to 0, only). 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 Program (PP) 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).
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 programmed 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 16.
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 programmed correctly within the same page. If less
than 256 Data bytes are sent to device, they are correctly programmed 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 Program (PP) instruction to
program all consecutive targeted bytes in a single sequence versus using several Page
Program (PP) sequences with each containing only a few bytes (see Table 20: AC
Chip Select (S) must be driven High after the eighth bit of the last data byte has been
latched in, otherwise the Page Program (PP) instruction is not executed.
As soon as Chip Select (S) is driven High, the self-timed Page Program cycle (whose
duration is tPP) is initiated. While the Page Program 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 Program 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 Program (PP) instruction applied to a page that is hardware protected is not
executed.
Any Page Program (PP) instruction, while an Erase, Program or Write cycle is in progress, is
rejected without having any effects on the cycle that is in progress.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M25PE40-VMW6G 功能描述:閃存 4 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(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
M25PE40-VMW6G_NUD 制造商:Micron Technology Inc 功能描述:
M25PE40VMW6P 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit, low voltage, Page-Erasable Serial Flash memory with byte alterability, 50 MHz SPI bus, standard pinout
M25PE40-VMW6P 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
M25PE40VMW6TG 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit, low voltage, Page-Erasable Serial Flash memory with byte alterability, 50 MHz SPI bus, standard pinout
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