Microchip Technology MA330011 データシート
dsPIC33F
DS70165E-page 290
Preliminary
©
2007 Microchip Technology Inc.
TABLE 23-2:
dsPIC33F CONFIGURATION BITS DESCRIPTION
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
Boot space is 1K IW less VS
110
= Standard security; boot program Flash segment starts at End of
VS, ends at 0007FEh
010
= High security; boot program Flash segment starts at End of VS,
ends at 0007FEh
Boot space is 4K IW less VS
101
= Standard security; boot program Flash segment starts at End of
VS, ends at 001FFEh
001
= High security; boot program Flash segment starts at End of VS,
ends at 001FFEh
Boot space is 8K IW less VS
100
= Standard security; boot program Flash segment starts at End of
VS, ends at 003FFEh
000
= High security; boot program Flash segment starts at End of VS,
ends at 003FFEh
RBS<1:0>
FBS
Boot Segment RAM Code Protection
10
= No Boot RAM defined
10
= Boot RAM is 128 Bytes
01 = Boot RAM is 256 Bytes
00
= Boot RAM is 1024 Bytes
SWRP
FSS
Secure Segment Program Flash Write Protection
1
= Secure segment may be written
0 = Secure segment is write-protected.