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参数资料
| 型号： | M50FW040K5TP |
| 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： | 13/53页 |
| 文件大小： | 278K |
| 代理商： | M50FW040K5TP |
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M50FW040
Signal descriptions
13/53
2.1.5
Interface configuration (IC)
The Interface Configuration input selects whether the Firmware Hub (FWH) or the
Address/Address Multiplexed (A/A Mux) Interface is used. The chosen interface must be
selected before power-up or during a Reset and, thereafter, cannot be changed. The state
of the Interface Configuration, IC, should not be changed during operation.
To select the Firmware Hub (FWH) Interface the Interface Configuration pin should be left to
float or driven Low, V
IL
; to select the Address/Address Multiplexed (A/A Mux) Interface the
pin should be driven High, V
IH
. An internal pull-down resistor is included with a value of R
IL
;
there will be a leakage current of I
LI2
through each pin when pulled to V
IH
; see <Blue>Table
18.
2.1.6
Interface Reset (RP)
The Interface Reset (RP) input is used to reset the memory. When Interface Reset (RP) is
set Low, V
IL
, the memory is in Reset mode: the outputs are put to high impedance and the
current consumption is minimized. When RP is set High, V
IH
, the memory is in normal
operation. After exiting Reset mode, the memory enters Read mode.
2.1.7
CPU Reset (INIT)
The CPU Reset, INIT, pin is used to Reset the memory when the CPU is reset. It behaves
identically to Interface Reset, RP, and the internal Reset line is the logical OR (electrical
AND) of RP and INIT.
2.1.8
Clock (CLK)
The Clock, CLK, input is used to clock the signals in and out of the Input/Output
Communication Pins, FWH0-FWH3. The Clock conforms to the PCI specification.
2.1.9
Top Block Lock (TBL)
The Top Block Lock input is used to prevent the Top Block (Block 7) from being changed.
When Top Block Lock, TBL, is set Low, V
IL
, Program and Erase operations in the Top Block
have no effect, regardless of the state of the Lock Register. When Top Block Lock, TBL, is
set High, V
IH
, the protection of the Block is determined by the Lock Register. The state of
Top Block Lock, TBL, does not affect the protection of the Main Blocks (Blocks 0 to 6).
Top Block Lock, TBL, must be set prior to a Program or Erase operation is initiated and must
not be changed until the operation completes or unpredictable results may occur. Care
should be taken to avoid unpredictable behavior by changing TBL during Program or Erase
Suspend.
相关PDF资料 |
PDF描述 |
|---|---|
| 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 |
| M50FW040N5TG | 4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory |
| M50FW040N5TP | 4-Mbit (512 Kb x8, uniform block) 3-V supply firmware hub Flash memory |
| M50FW040NB5G | 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 |
|---|---|
| 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 |
| M50FW040N1 | 功能描述:闪存 3.6V 4M (512Kx8) 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 |
| M50FW040N1T | 功能描述:闪存 3.6V 4M (512Kx8) 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 |
| M50FW040N5 | 功能描述:闪存 3.0-3.6V 4M (512Kx8) 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 |
| M50FW040N5G | 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 |
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