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参数资料
| 型号： | M50FW040K5G |
| 厂商： | 意法半导体 |
| 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，均匀块）3 - V电源供电的闪存固件枢纽 |
| 文件页数： | 22/53页 |
| 文件大小： | 278K |
| 代理商： | M50FW040K5G |
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Command interface
M50FW040
22/53
4
Command interface
All Bus Write operations to the memory are interpreted by the Command Interface.
Commands consist of one or more sequential Bus Write operations.
After power-up or a Reset operation the memory enters Read mode.
The commands are summarized in
Table 7: Commands
. Refer to
Table 7
in conjunction with
the text descriptions below.
4.1
Read Memory Array command
The Read Memory Array command returns the memory to its Read mode where it behaves
like a ROM or EPROM. One Bus Write cycle is required to issue the Read Memory Array
command and return the memory to Read mode. Once the command is issued the memory
remains in Read mode until another command is issued. From Read mode Bus Read
operations will access the memory array.
While the Program/Erase Controller is executing a Program or Erase operation the memory
will not accept the Read Memory Array command until the operation completes.
4.2
Read Status Register command
The Read Status Register command is used to read the Status Register. One Bus Write
cycle is required to issue the Read Status Register command. Once the command is issued
subsequent Bus Read operations read the Status Register until another command is issued.
See the section on the Status Register for details on the definitions of the Status Register
bits.
4.3
Read Electronic Signature command
The Read Electronic Signature command is used to read the Manufacturer Code and the
Device Code. One Bus Write cycle is required to issue the Read Electronic Signature
command. Once the command is issued subsequent Bus Read operations read the
Manufacturer Code or the Device Code until another command is issued.
After the Read Electronic Signature Command is issued the Manufacturer Code and Device
Code can be read using Bus Read operations using the addresses in
Table 6
.
相关PDF资料 |
PDF描述 |
|---|---|
| M50FW040K5P | 4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory |
| M50FW040K5TG | 4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory |
| M50FW040K5TP | 4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory |
| M50FW040N5G | 4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory |
| M50FW040N5P | 4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M50FW040K5P | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory |
| M50FW040K5T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4 Mbit 512Kb x8, Uniform Block 3V Supply Firmware Hub Flash Memory |
| M50FW040K5TG | 功能描述:闪存 SERIAL FLASH 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 |
| M50FW040K5TP | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory |
| M50FW040N | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4 Mbit 512Kb x8, Uniform Block 3V Supply Firmware Hub Flash Memory |
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