參數(shù)資料
型號: M50FW080N5TP
廠商: 意法半導(dǎo)體
英文描述: 8 Mbit 1Mb x8, Uniform Block 3V Supply Firmware Hub Flash Memory
中文描述: 8兆1兆× 8,統(tǒng)一座3V電源閃存固件集線器
文件頁數(shù): 33/56頁
文件大?。?/td> 292K
代理商: M50FW080N5TP
M50FW080
Firmware Hub (FWH) interface Configuration Registers
33/55
6.1.3
Lock Down
The Lock Down Bit provides a mechanism for protecting software data from simple 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
before 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.
Table 11.
6.2
Firmware Hub (FWH) General-Purpose Input Register
The Firmware Hub (FWH) General Purpose Input Register holds the state of the Firmware
Hub Interface General Purpose Input pins, FGPI0-FGPI4. When this register is read, the
state of these pins is returned. This register is read-only and writing to it has no effect.
The signals on the Firmware Hub Interface General Purpose Input pins should remain
constant throughout the whole Bus Read cycle in order to guarantee that the correct data is
read.
Firmware Hub Register Configuration map
Mnemonic
Register Name
Memory
Address
Default
Value
Access
T_BLOCK_LK
Top Block Lock Register (Block 15)
FBF0002h
01h
R/W
T_MINUS01_LK
Top Block [-1] Lock Register (Block 14)
FBE0002h
01h
R/W
T_MINUS02_LK
Top Block [-2] Lock Register (Block 13)
FBD0002h
01h
R/W
T_MINUS03_LK
Top Block [-3] Lock Register (Block 12)
FBC0002h
01h
R/W
T_MINUS04_LK
Top Block [-4] Lock Register (Block 11)
FBB0002h
01h
R/W
T_MINUS05_LK
Top Block [-5] Lock Register (Block 10)
FBA0002h
01h
R/W
T_MINUS06_LK
Top Block [-6] Lock Register (Block 9)
FB90002h
01h
R/W
T_MINUS07_LK
Top Block [-7] Lock Register (Block 8)
FB80002h
01h
R/W
T_MINUS08_LK
Top Block [-8] Lock Register (Block 7)
FB70002h
01h
R/W
T_MINUS09_LK
Top Block [-9] Lock Register (Block 6)
FB60002h
01h
R/W
T_MINUS10_LK
Top Block [-10] Lock Register (Block 5)
FB50002h
01h
R/W
T_MINUS11_LK
Top Block [-11] Lock Register (Block 4)
FB40002h
01h
R/W
T_MINUS12_LK
Top Block [-12] Lock Register (Block 3)
FB30002h
01h
R/W
T_MINUS13_LK
Top Block [-13] Lock Register (Block 2)
FB20002h
01h
R/W
T_MINUS14_LK
Top Block [-14] Lock Register (Block 1)
FB10002h
01h
R/W
T_MINUS15_LK
Top Block [-15] Lock Register (Block 0)
FB00002h
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
2Dh
R
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