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PIC24HJXXXGPX06A Datasheet, PDF (221/294 Pages) Microchip Technology – High-Performance, 16-Bit Microcontrollers
PIC24HJXXXGPX06A/X08A/X10A
TABLE 21-2:
Bit Field
SSS<2:0>
RSS<1:0>
GSS<1:0>
GWRP
PIC24HJXXXGPX06A/X08A/X10A CONFIGURATION BITS DESCRIPTION (CONTINUED)
Register
Description
FSS
Secure Segment Program Flash Code Protection Size
(FOR 128K and 256K DEVICES)
X11 = No Secure program Flash segment
Secure space is 8K IW less BS
110 = Standard security; secure program Flash segment starts at End of BS,
ends at 0x003FFE
010 = High security; secure program Flash segment starts at End of BS, ends
at 0x003FFE
Secure space is 16K IW less BS
101 = Standard security; secure program Flash segment starts at End of BS,
ends at 0x007FFE
001 = High security; secure program Flash segment starts at End of BS, ends
at 0x007FFE
Secure space is 32K IW less BS
100 = Standard security; secure program Flash segment starts at End of BS,
ends at 0x00FFFE
000 = High security; secure program Flash segment starts at End of BS, ends
at 0x00FFFE
(FOR 64K DEVICES)
X11 = No Secure program Flash segment
Secure space is 4K IW less BS
110 = Standard security; secure program Flash segment starts at End of BS,
ends at 0x001FFE
010 = High security; secure program Flash segment starts at End of BS, ends
at 0x001FFE
Secure space is 8K IW less BS
101 = Standard security; secure program Flash segment starts at End of BS,
ends at 0x003FFE
001 = High security; secure program Flash segment starts at End of BS, ends
at 0x003FFE
Secure space is 16K IW less BS
100 = Standard security; secure program Flash segment starts at End of BS,
ends at 0x007FFE
000 = High security; secure program Flash segment starts at End of BS, ends
at 0x007FFE
FSS
Secure Segment RAM Code Protection
11 = No Secure RAM defined
10 = Secure RAM is 256 Bytes less BS RAM
01 = Secure RAM is 2048 Bytes less BS RAM
00 = Secure RAM is 4096 Bytes less BS RAM
FGS
FGS
General Segment Code-Protect bit
11 = User program memory is not code-protected
10 = Standard Security; general program Flash segment starts at End of SS,
ends at EOM
0x = High Security; general program Flash segment starts at End of ESS, ends
at EOM
General Segment Write-Protect bit
1 = User program memory is not write-protected
0 = User program memory is write-protected
© 2009 Microchip Technology Inc.
Preliminary
DS70592A-page 219