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參數(shù)資料
| 型號： | M25P16-VMP3P |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | DRAM |
| 英文描述： | 4 Mbit Uniform Sector, Serial Flash Memory |
| 中文描述： | 4兆位統(tǒng)一部門，串行閃存 |
| 文件頁數(shù)： | 13/55頁 |
| 文件大?。?/td> | 335K |
| 代理商： | M25P16-VMP3P |
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M25P16
Operating features
13/55
4.5
Status Register
The Status Register contains a number of status and control bits that can be read or set (as
appropriate) by specific instructions. See
Section 6.4: Read Status Register (RDSR)
for a
detailed description of the Status Register bits.
4.6
Protection modes
The environments where non-volatile memory devices are used can be very noisy. No SPI
device can operate correctly in the presence of excessive noise. To help combat this, the
M25P16 features the following data protection mechanisms:
Power On Reset and an internal timer (t
PUW
) can provide protection against inadvertent
changes while the power supply is outside the operating specification.
Program, Erase and Write Status Register instructions are checked that they consist of
a number of clock pulses that is a multiple of eight, before they are accepted for
execution.
All instructions that modify data must be preceded by a Write Enable (WREN)
instruction to set the Write Enable Latch (WEL) bit. This bit is returned to its reset state
by the following events:
–
Power-up
–
Write Disable (WRDI) instruction completion
–
Write Status Register (WRSR) instruction completion
–
Page Program (PP) instruction completion
–
Sector Erase (SE) instruction completion
–
Bulk Erase (BE) instruction completion
The Block Protect (BP2, BP1, BP0) bits allow part of the memory to be configured as
read-only. This is the Software Protected Mode (SPM).
The Write Protect (W) signal allows the Block Protect (BP2, BP1, BP0) bits and Status
Register Write Disable (SRWD) bit to be protected. This is the Hardware Protected
Mode (HPM).
In addition to the low power consumption feature, the Deep Power-down mode offers
extra software protection, as all Write, Program and Erase instructions are ignored.
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M25P16-VMP3TG | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25P16-VMP3TP | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25P16-VMP6G | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25P16-VMP6P | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25P16-VMP6TG | 4 Mbit Uniform Sector, Serial Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M25P16VMP3T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 Kbit to 32 Mbit, Low Voltage, Serial Flash Memory With 40 MHz or 50 MHz SPI Bus Interface |
| M25P16-VMP3T | 制造商:NUMONYX 制造商全稱:Numonyx B.V 功能描述:16 Mbit, serial Flash memory, 75 MHz SPI bus interface |
| M25P16VMP3TG | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 Kbit to 32 Mbit, Low Voltage, Serial Flash Memory With 40 MHz or 50 MHz SPI Bus Interface |
| M25P16-VMP3TG | 制造商:NUMONYX 制造商全稱:Numonyx B.V 功能描述:16 Mbit, serial Flash memory, 75 MHz SPI bus interface |
| M25P16VMP3TP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 Kbit to 32 Mbit, Low Voltage, Serial Flash Memory With 40 MHz or 50 MHz SPI Bus Interface |
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