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參數(shù)資料
| 型號： | M50LPW080K1T |
| 廠商： | 意法半導體 |
| 英文描述： | 8 Mbit 1Mb x8, Uniform Block 3V Supply Low Pin Count Flash Memory |
| 中文描述： | 8兆1兆× 8，統(tǒng)一座3V電源低引腳數(shù)快閃記憶體 |
| 文件頁數(shù)： | 22/44頁 |
| 文件大?。?/td> | 641K |
| 代理商： | M50LPW080K1T |
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M50LPW080
22/44
Lock Down.
The Lock Down Bit provides a
mechanism for protecting software data from sim-
ple hacking and malicious attack. When the Lock
Down Bit is set, ‘1’, further modification to the
Write Lock, Read Lock and Lock Down Bits cannot
be performed. A reset or power-up is required be-
fore changes to these bits can be made. When the
Lock Down Bit is reset, ‘0’, the Write Lock, Read
Lock and Lock Down Bits can be changed.
General Purpose Input Register
The General Purpose Input Register holds the
state of the General Purpose Input pins, GPI0-
GPI4. When this register is read, the state of these
pins is returned. This register is read-only and writ-
ing to it has no effect.
The signals on the General Purpose Input pins
should remain constant throughout the whole Bus
Read cycle in order to guarantee that the correct
data is read.
Table 13. Lock Register Bit Definitions
Note: Applies to Top Block Lock Register (T_BLOCK_LK) and Top Block [-1] Lock Register (T_MINUS01_LK) to Top Block [-15] Lock Reg-
ister (T_MINUS15_LK).
Table 14. General Purpose Input Register Definition
Note: Applies to the General Purpose Input Register (GPI_REG).
Bit
Bit Name
Value
Function
7-3
Reserved
2
Read-Lock
‘1’
Bus Read operations in this Block always return 00h.
‘0’
Bus read operations in this Block return the Memory Array contents. (Default
value).
1
Lock-Down
‘1’
Changes to the Read-Lock bit and the Write-Lock bit cannot be performed. Once a
‘1’ is written to the Lock-Down bit it cannot be cleared to ‘0’; the bit is always reset
to ‘0’ following a Reset (using RP or INIT) or after power-up.
‘0’
Read-Lock and Write-Lock can be changed by writing new values to them. (Default
value).
0
Write-Lock
‘1’
Program and Block Erase operations in this Block will set an error in the Status
Register. The memory contents will not be changed. (Default value).
‘0’
Program and Block Erase operations in this Block are executed and will modify the
Block contents.
Bit
Bit Name
Value
Function
7-5
Reserved
4
GPI4
‘1’
Input Pin GPI4 is at V
IH
‘0’
Input Pin GPI4 is at V
IL
3
GPI3
‘1’
Input Pin GPI3 is at V
IH
‘0’
Input Pin GPI3 is at V
IL
2
GPI2
‘1’
Input Pin GPI2 is at V
IH
‘0’
Input Pin GPI2 is at V
IL
1
GPI1
‘1’
Input Pin GPI1 is at V
IH
‘0’
Input Pin GPI1 is at V
IL
0
GPI0
‘1’
Input Pin GPI0 is at V
IH
‘0’
Input Pin GPI0 is at V
IL
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M50LPW080K1TG | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 Mbit 1Mb x8, Uniform Block 3V Supply Low Pin Count Flash Memory |
| M50LPW080K5 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 Mbit 1Mb x8, Uniform Block 3V Supply Low Pin Count Flash Memory |
| M50LPW080K5G | 功能描述:閃存 SERIAL FLASH 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 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| M50LPW080K5T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 Mbit 1Mb x8, Uniform Block 3V Supply Low Pin Count Flash Memory |
| M50LPW080K5TG | 制造商:Micron Technology Inc 功能描述:FLASH PARALLEL/SERL 3V/3.3V 8MBIT 1MX8 11NS/50NS 32PLCC - Tape and Reel |
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