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dsPIC30F1010/202X
DS70178C-page 216
Preliminary
2006 Microchip Technology Inc.
TABLE 18-5:
FGS AND FBS BIT DESCRIPTIONS FOR THE dsPIC30F1010
Bit Field
Register
Description
BWRP
FBS
Boot Segment Program Flash Write Protection
1
= Boot segment may be written
0
= Boot segment is write-protected
BSS<2:0>
FBS
Boot Segment Program Flash Code Protection Size
x11
= No boot program Flash segment
x00
= No boot program Flash segment
x01
= No boot program Flash segment
110
= Standard security; small boot segment; boot program Flash seg-
ment starts at the end of the Interrupt Vector Segment and ends
at 0003FFH
010
= High security; small boot segment; boot program Flash segment
starts at the end of the Interrupt Vector Segment and ends at
0003FFH
GRWP
FGS
General Segment Program Flash Write Protection
1
= General segment may be written
0
= General segment is write-protected
GSS<1:0>
FGS
General Segment Program Flash Code Protection
11
= No Protection
10
= Standard security; general program Flash segment starts at the
end of the boot segment and ends at the end of program Flash
0x
= Reserved
TABLE 18-6:
FGS AND FBS BIT DESCRIPTIONS FOR THE dsPIC30F202X
Bit Field
Register
Description
BWRP
FBS
Boot Segment Program Flash Write Protection
1
= Boot segment may be written
0
= Boot segment is write-protected
BSS<2:0>
FBS
Boot Segment Program Flash Code Protection Size
x11
= No boot program Flash segment
x00
= No boot program Flash segment
110
= Standard security; small boot segment; boot program Flash seg-
ment starts at the end of the Interrupt Vector Segment and ends
at 0003FFH
010
= High security; small boot segment; boot program Flash segment
starts at the end of the Interrupt Vector Segment and ends at
0003FFH
101
= Standard security; medium boot segment; boot program Flash
segment starts at the end of the Interrupt Vector Segment and
ends at 000FFFH
001
= High security; medium boot segment; boot program Flash seg-
ment starts at the end of the Interrupt Vector Segment and ends
at 000FFFH
GWRP
FGS
General Segment Program Flash Write Protection
1
= General segment may be written
0
= General segment is write-protected
GSS<1:0>
FGS
General Segment Program Flash Code Protection
11
= No Protection
10
= Standard security; general program Flash segment starts at the
end of the Boot Segment and ends at the end of program Flash
0x
= Reserved
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