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MB91F467DA 데이터시트(PDF) 39 Page - fujitsu semiconductor

부품명 MB91F467DA
상세설명  32-bit Microcontroller
PDF  140 Pages
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제조업체  FUJITSU [fujitsu semiconductor]
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MB91F467DA 데이터시트(HTML) 39 Page - fujitsu semiconductor

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MB91460D Series
DS07-16612-2E
39
6.2.2.
FSV1 (bit15 to bit0)
The setting of the Flash Security Vector FSV1 bits [15:0] is responsible for the individual write protection of the
8 Kbytes 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]
Note : 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.
See section “
Flash access in CPU mode” for an overview about the sector organisation of the Flash
Memory.
FSV1 bit
Sector
Enable Write
Protection
Disable Write
Protection
Comment
FSV1[0]
SA0 (MB91F467Dx)
set to “0”
set to “1”
FSV1[1]
SA1 (MB91F467Dx)
set to “0”
set to “1”
FSV1[2]
SA2 (MB91F467Dx)
set to “0”
set to “1”
FSV1[3]
SA3 (MB91F467Dx)
set to “0”
set to “1”
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



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