參數(shù)資料
型號(hào)： M25PX32-VMF6F
廠商： 意法半導(dǎo)體
元件分類(lèi)： DRAM
英文描述： 4 Mbit Uniform Sector, Serial Flash Memory
中文描述： 4兆位統(tǒng)一部門(mén)，串行閃存
文件頁(yè)數(shù)： 43/63頁(yè)
文件大小： 394K
代理商： M25PX32-VMF6F
M25PX32
Instructions
43/63
6.14
Write to Lock Register (WRLR)
The Write to Lock Register (WRLR) instruction allows bits to be changed in the Lock
Registers. 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 Write to Lock Register (WRLR) instruction is entered by driving Chip Select (S) Low,
followed by the instruction code, three address bytes (pointing to any address in the targeted
sector and one data byte on Serial Data input (DQ0). The instruction sequence is shown in
Figure 22
. Chip Select (S) must be driven High after the eighth bit of the data byte has been
latched in, otherwise the Write to Lock Register (WRLR) instruction is not executed.
Lock Register bits are volatile, and therefore do not require time to be written. When the
Write to Lock Register (WRLR) instruction has been successfully executed, the Write
Enable Latch (WEL) bit is reset after a delay time less than t
SHSL
minimum value.
Any Write to Lock Register (WRLR) instruction, while an Erase, Program or Write cycle is in
progress, is rejected without having any effects on the cycle that is in progress.
Figure 22.
Write to Lock Register (WRLR) instruction sequence
Table 10.
Lock Register in
(1)
1.
Values of (b1, b0) after Power-up are defined in
Section 7: Power-up and Power-down
.
Sector
Bit
Value
All sectors
b7-b2
‘0’
b1
Sector Lock Down bit value (refer to
Table 9
)
b0
Sector Write Lock bit value (refer to
Table 9
)
AI13740
C
DQ0
S
23
2
1
3
4
5
6
7
8
9 10
28 29 30 31 32 33 34 35
22 21
3
2
1
0
36 37 38
Instruction
24-Bit Address
0
7
6
5
4
3
2
0
1
Lock Register
In
39
MSB
MSB
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M25PX32-VMF6FBA 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Tape and Reel
M25PX32-VMP6E 功能描述:IC FLASH 32MBIT 75MHZ 8VFQFPN RoHS:是 類(lèi)別:集成電路 (IC) >> 存儲(chǔ)器 系列:Forté™ 標(biāo)準(zhǔn)包裝:1 系列:- 格式 - 存儲(chǔ)器:閃存 存儲(chǔ)器類(lèi)型:閃存 - NAND 存儲(chǔ)容量:4G（256M x 16） 速度:- 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:48-TFSOP（0.724"，18.40mm 寬） 供應(yīng)商設(shè)備封裝:48-TSOP I 包裝:Digi-Reel® 其它名稱(chēng):557-1461-6
M25PX32-VMP6F 功能描述:IC FLASH 32MBIT 75MHZ 8VFQFPN RoHS:是 類(lèi)別:集成電路 (IC) >> 存儲(chǔ)器 系列:Forté™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 格式 - 存儲(chǔ)器:EEPROMs - 串行 存儲(chǔ)器類(lèi)型:EEPROM 存儲(chǔ)容量:4K (512 x 8) 速度:400kHz 接口:I²C，2 線(xiàn)串口 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-MFP 包裝:帶卷 (TR)
M25PX32-VMP6FBA 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Tape and Reel
M25PX32-VMP6FBA TR 制造商:Micron Technology Inc 功能描述:IC FLASH 32MBIT 75MHZ 8VFQFPN
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