參數(shù)資料
型號(hào)： M50FLW040BK5G
廠商： 意法半導(dǎo)體
英文描述： 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
中文描述： 4兆位（5 × 64KB之座3 × 16 × 4KB的部門）3V電源固件集線器/低引腳數(shù)快閃記憶體
文件頁(yè)數(shù)： 25/52頁(yè)
文件大?。?/td> 417K
代理商： M50FLW040BK5G
25/52
M50FLW040A, M50FLW040B
Table 16. Lock Register Bit Definitions
Note: 1. Applies to Top Block Lock Register (T_BLOCK_LK) and Top Block [-1] Lock Register (T_MINUS01_LK) to Top Block [-7] Lock Reg-
ister (T_MINUS07_LK).
Table 17. General Purpose Inputs Register Definition
Note: 1. Applies to the General Purpose Inputs Register (GPI-REG).
Firmware Hub/Low Pin Count (FWH/LPC)
General Purpose Input Register
The FWH/LPC 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.
Writing to it has no effect.
The signals on the FWH/LPC Interface General
Purpose Input pins should remain constant
throughout the whole Bus Read cycle.
Manufacturer Code Register
Reading the Manufacturer Code Register returns
the value 20h, which is the Manufacturer Code for
STMicroelectronics. This register is read-only.
Writing to it has no effect.
Bit
Bit Name
Value
Function
(1)
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.
Bit
Bit Name
Value
Function
(1)
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
相關(guān)PDF資料
PDF描述
M50FLW040BK5P 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040BK5T 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040BK5TG 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040BK5TP 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040BN1 4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M50FLW040BK5P 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040BK5T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040BK5TG 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040BK5TP 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
M50FLW040BN1 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 Mbit (5 x 64KByte Blocks + 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
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