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參數(shù)資料
| 型號(hào)： | M50FW040K5TP |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory |
| 中文描述： | 4兆位（512 KB的× 8，均勻塊）3 - V電源供電的閃存固件樞紐 |
| 文件頁(yè)數(shù)： | 32/53頁(yè) |
| 文件大小： | 278K |
| 代理商： | M50FW040K5TP |
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Firmware hub (FWH) interface Configuration Registers
M50FW040
32/53
6.7
Device Code Register
Reading the Device Code Register returns the device code for the memory, 2Ch. This
register is read-only and writing to it has no effect.
Table 9.
Table 10.
Firmware hub Configuration Register map
Mnemonic
Register Name
Memory
Address
Default
Value
Access
T_BLOCK_LK
Top Block Lock Register (Block 7)
FBF0002h
01h
R/W
T_MINUS01_LK
Top Block [-1] Lock Register (Block 6)
FBE0002h
01h
R/W
T_MINUS02_LK
Top Block [-2] Lock Register (Block 5)
FBD0002h
01h
R/W
T_MINUS03_LK
Top Block [-3] Lock Register (Block 4)
FBC0002h
01h
R/W
T_MINUS04_LK
Top Block [-4] Lock Register (Block 3)
FBB0002h
01h
R/W
T_MINUS05_LK
Top Block [-5] Lock Register (Block 2)
FBA0002h
01h
R/W
T_MINUS06_LK
Top Block [-6] Lock Register (Block 1)
FB90002h
01h
R/W
T_MINUS07_LK
Top Block [-7] Lock Register (Block 0)
FB80002h
01h
R/W
FGPI_REG
Firmware Hub (FWH) General Purpose Input
Register
FBC0100h
N/A
R
MANUF_REG
Manufacturer Code Register
FBC0000h
20h
R
DEV_REG
Device Code Register
FBC0001h
2Ch
R
Lock Register bit definitions
(1)
1.
Applies to Top Block Lock Register (T_BLOCK_LK) and Top Block [-1] Lock Register (T_MINUS01_LK) to
Top Block [-7] Lock Register (T_MINUS07_LK).
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 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 Erase operations in this Block are executed and will modify
the Block contents.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M50FW040N | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:4 Mbit 512Kb x8, Uniform Block 3V Supply Firmware Hub Flash Memory |
| M50FW040N1 | 功能描述:閃存 3.6V 4M (512Kx8) RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線(xiàn)寬度:1 bit 存儲(chǔ)類(lèi)型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類(lèi)型: 接口類(lèi)型:SPI 訪(fǎng)問(wèn)時(shí)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 |
| M50FW040N1T | 功能描述:閃存 3.6V 4M (512Kx8) RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線(xiàn)寬度:1 bit 存儲(chǔ)類(lèi)型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類(lèi)型: 接口類(lèi)型:SPI 訪(fǎng)問(wèn)時(shí)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 |
| M50FW040N5 | 功能描述:閃存 3.0-3.6V 4M (512Kx8) RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線(xiàn)寬度:1 bit 存儲(chǔ)類(lèi)型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類(lèi)型: 接口類(lèi)型:SPI 訪(fǎng)問(wèn)時(shí)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 |
| M50FW040N5G | 功能描述:閃存 SERIAL FLASH RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線(xiàn)寬度:1 bit 存儲(chǔ)類(lèi)型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類(lèi)型: 接口類(lèi)型:SPI 訪(fǎng)問(wèn)時(shí)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 |
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