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dsPIC33FJ64GS406 bảng dữ liệu(PDF) 352 Page - Microchip Technology |
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dsPIC33FJ64GS406 bảng dữ liệu(HTML) 352 Page - Microchip Technology |
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352 / 456 page  dsPIC33FJ32GS406/606/608/610 and dsPIC33FJ64GS406/606/608/610 DS70591E-page 352 2009-2012 Microchip Technology Inc. 24.8 Code Protection and CodeGuard™ Security The dsPIC33FJ32GS406/606/608/610 and dsPIC33FJ64GS406/606/608/610 devices offer the intermediate implementation of CodeGuard™ Security. CodeGuard Security enables multiple parties to securely share resources (memory, interrupts and peripherals) on a single chip. This feature helps protect individual Intellectual Property in collaborative system designs. When coupled with software encryption libraries, CodeGuard Security can be used to securely update Flash even when multiple IPs reside on a single chip. The code protection features are controlled by the Configuration registers: FBS and FGS. Secure segment and RAM protection is not imple- mented in dsPIC33FJ32GS406/606/608/610 and dsPIC33FJ64GS406/606/608/610 devices. TABLE 24-3: CODE FLASH SECURITY SEGMENT SIZES FOR 64-KBYTE DEVICES TABLE 24-4: CODE FLASH SECURITY SEGMENT SIZES FOR 32-KBYTE DEVICES Note: Refer to Section 23. “CodeGuard™ Security” (DS70199) in the “dsPIC33F/ PIC24H Family Reference Manual” for further information on usage, configuration and operation of CodeGuard Security. BSS<2:0> = x11, 0K BSS<2:0> = x10, 1K BSS<2:0> = x01, 4K BSS<2:0> = x00, 8K BSS<2:0> = x11, 0K BSS<2:0> = x10, 1K BSS<2:0> = x01, 4K BSS<2:0> = x00, 8K 0001FEh 000200h 000000h VS = 256 IW 00ABFEh GS = 21760 IW 0001FEh 000200h 000000h VS = 256 IW 0007FEh 000800h 00ABFEh GS = 20992 IW BS = 768 IW 0001FEh 000200h 000000h VS = 256 IW 00ABFEh 001FFEh 002000h GS = 17920 IW BS = 3840 IW 003FFEh 004000h 0001FEh 000200h 000000h VS = 256 IW 00ABFEh GS = 13824 IW BS = 7936 IW 0057FEh 0001FEh 000200h 000000h VS = 256 IW GS = 11008 IW 00ABFEh 0057FEh 0001FEh 000200h 000000h VS = 256 IW 0007FEh 000800h GS = 10240 IW BS = 768 IW 00ABFEh 0057FEh 0001FEh 000200h 000000h VS = 256 IW 001FFEh 002000h GS = 7168 IW BS = 3840 IW 00ABFEh 0057FEh 003FFEh 004000h 0001FEh 000200h 000000h VS = 256 IW GS = 3072 IW BS = 7936 IW 00ABFEh |
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