DSPIC33FJ32GP302THSLASHSP datasheet(300/403 Pages) MICROCHIP

300 / 403 page

dsPIC33FJ32GP302/304, dsPIC33FJ64GPX02/X04, AND dsPIC33FJ128GPX02/X04

DS70292D-page 300

Preliminary

 2009 Microchip Technology Inc.

TABLE 27-2:

dsPIC CONFIGURATION BITS DESCRIPTION

Bit Field

Description

BWRP

FBS

Boot Segment Program Flash Write Protection

= Boot segment can be written

= 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 Instruction Words (except interrupt vectors)

110

= Standard security; boot program Flash segment ends at

0x0007FE

010

= High security; boot program Flash segment ends at 0x0007FE

Boot space is 4K Instruction Words (except interrupt vectors)

101

= Standard security; boot program Flash segment, ends at

0x001FFE

001

= High security; boot program Flash segment ends at 0x001FFE

Boot space is 8K Instruction Words (except interrupt vectors)

100

= Standard security; boot program Flash segment ends at

0x003FFE

000

= High security; boot program Flash segment ends at 0x003FFE

RBS<1:0>(1)

FBS

Boot Segment RAM Code Protection Size

= No Boot RAM defined

= Boot RAM is 128 bytes

= Boot RAM is 256 bytes

= Boot RAM is 1024 bytes

SWRP(1)

FSS(1)

Secure Segment Program Flash Write-Protect bit

= Secure Segment can bet written

= Secure Segment is write-protected

SSS<2:0>(1)

FSS(1)

Secure Segment Program Flash Code Protection Size

(Secure segment is not implemented on 32K 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 007FFEh

000

= High security; secure program flash segment starts at End of BS,

ends at 0x007FFE

RSS<1:0>(1)

FSS(1)

Secure Segment RAM Code Protection

= No Secure RAM defined

= Secure RAM is 256 Bytes less BS RAM

= Secure RAM is 2048 Bytes less BS RAM

= Secure RAM is 4096 Bytes less BS RAM

Note 1: This Configuration register is not available on dsPIC33FJ32GP302/304 devices.

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