Datasheet

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