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參數(shù)資料
| 型號： | MB91F464AA |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100 |
| 文件頁數(shù)： | 14/67頁 |
| 文件大?。?/td> | 486K |
| 代理商： | MB91F464AA |
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European MCU Design Centre
MB91F464AA preliminary datasheet ver. 1.11
Page 21 of 67
V FSV1 (bits 15 to 0)
The setting of the Flash Security Vector FSV1 bits [15:0] is responsible for the individual write
protection of the 8 kByte sectors. It is only evaluated if write protection bit FSV1[17] is set.
Explanation of the bits in the Flash Security Vector FSV1[15:0]
FSV1 bit
Sector
Enable Write
Protection
Disable Write
Protection
Comment
FSV1[0]
-
set to ‘0’
set to ‘1’
not available
FSV1[1]
-
set to ‘0’
set to ‘1’
not available
FSV1[2]
-
set to ‘0’
set to ‘1’
not available
FSV1[3]
-
set to ‘0’
set to ‘1’
not available
FSV1[4]
SA4
set to ‘0’
-
Write protection is mandatory!
FSV1[5]
SA5
set to ‘0’
set to ‘1’
FSV1[6]
SA6
set to ‘0’
set to ‘1’
FSV1[7]
SA7
set to ‘0’
set to ‘1’
FSV1[8]
-
set to ‘0’
set to ‘1’
not available
FSV1[9]
-
set to ‘0’
set to ‘1’
not available
FSV1[10]
-
set to ‘0’
set to ‘1’
not available
FSV1[11]
-
set to ‘0’
set to ‘1’
not available
FSV1[12]
-
set to ‘0’
set to ‘1’
not available
FSV1[13]
-
set to ‘0’
set to ‘1’
not available
FSV1[14]
-
set to ‘0’
set to ‘1’
not available
FSV1[15]
-
set to ‘0’
set to ‘1’
not available
Remark: It is mandatory to always set the sector where the Flash Security Vectors FSV1 and
FSV2 are located to write protected (here sector SA4). Otherwise it is possible to overwrite the
Security Vector to a setting where it is possible to either read out the flash content or
manipulate data by writing.
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