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参数资料
| 型号： | M25PE10-VMP6TG |
| 厂商： | 意法半导体 |
| 元件分类： | DRAM |
| 英文描述： | 4 Mbit Uniform Sector, Serial Flash Memory |
| 中文描述： | 4兆位统一部门，串行闪存 |
| 文件页数： | 29/60页 |
| 文件大小： | 310K |
| 代理商： | M25PE10-VMP6TG |
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M25PE20, M25PE10
Instructions
29/60
Table 10.
The protection features of the device are summarized in
Table 10
.
When the Status Register Write Disable (SRWD) bit of the Status Register is 0 (its initial
delivery state), it is possible to write to the Status Register provided that the Write Enable
Latch (WEL) bit has previously been set by a Write Enable (WREN) instruction, regardless
of the whether Write Protect (W) is driven High or Low.
When the Status Register Write Disable (SRWD) bit of the Status Register is set to 1, two
cases need to be considered, depending on the state of Write Protect (W):
If Write Protect (W) is driven High, it is possible to write to the Status Register provided
that the Write Enable Latch (WEL) bit has previously been set by a Write Enable
(WREN) instruction.
If Write Protect (W) is driven Low, it is
not
possible to write to the Status Register
even
if the Write Enable Latch (WEL) bit has previously been set by a Write Enable (WREN)
instruction. (Attempts to write to the Status Register are rejected, and are not accepted
for execution). As a consequence, all the data bytes in the memory area that are
software protected (SPM2) by the Block Protect (BP1, BP0) bits of the Status Register,
are also hardware protected against data modification.
●
●
Regardless of the order of the two events, the Hardware Protected Mode (HPM) can be
entered:
by setting the Status Register Write Disable (SRWD) bit after driving Write Protect (W)
Low
or by driving Write Protect (W) Low after setting the Status Register Write Disable
(SRWD) bit.
●
●
The only way to exit the Hardware Protected Mode (HPM) once entered is to pull Write
Protect (W) High.
If Write Protect (W) is permanently tied High, the Hardware Protected Mode (HPM) can
never be activated, and only the Software Protected Mode (SPM2), using the Block Protect
(BP1, BP0) bits of the Status Register, can be used.
Protection modes (T9HX process only, see
Important note on page 6
)
W
Signal
SRWD
Bit
Mode
Write Protection of the
Status Register
Memory Content
Protected Area
(1)
1.
As defined by the values in the Block Protect (BP1, BP0) bits of the Status Register, as shown in
Table 3
.
Unprotected Area
(1)
1
0
Second
Software
Protected
(SPM2)
Status Register is Writable
(if the WREN instruction
has set the WEL bit)
The values in the SRWD,
BP1 and BP0 bits can be
changed
Protected against
Page Program,
Sector Erase and
Bulk Erase
Ready to accept
Page Program and
Sector Erase
instructions
0
0
1
1
0
1
Hardware
Protected
(HPM)
Status Register is
Hardware write protected
The values in the SRWD,
BP1 and BP0 bits cannot
be changed
Protected against
Page Program,
Sector Erase and
Bulk Erase
Ready to accept
Page Program and
Sector Erase
instructions
相关PDF资料 |
PDF描述 |
|---|---|
| M25PE10-VMP6TP | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25PE20_07 | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25PE20-VMN6G | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25PE20-VMN6P | 4 Mbit Uniform Sector, Serial Flash Memory |
| M25PE20-VMN6TG | 4 Mbit Uniform Sector, Serial Flash Memory |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M25PE10-VMP6TP | 制造商:NUMONYX 制造商全称:Numonyx B.V 功能描述:1 and 2 Mbit, page-erasable serial Flash memories with byte alterability, 75 MHz SPI bus, standard pinout |
| M25PE16 | 制造商:NUMONYX 制造商全称:Numonyx B.V 功能描述:16-Mbit, page-erasable serial flash memory with byte-alterability, 75 MHz SPI bus, standard pinout |
| M25PE16-VMP6G | 功能描述:闪存 16 Mbit Lo Vltg Page Erasable Seral 闪存 RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel |
| M25PE16-VMP6P | 制造商:NUMONYX 制造商全称:Numonyx B.V 功能描述:16-Mbit, page-erasable serial flash memory with byte-alterability, 75 MHz SPI bus, standard pinout |
| M25PE16-VMP6TG | 功能描述:闪存 16 Mbit Lo Vltg Page Erasable Seral 闪存 RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel |
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