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DSPIC33FJ12MC201TESS Datasheet(PDF) 206 Page - Microchip Technology |
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DSPIC33FJ12MC201TESS Datasheet(HTML) 206 Page - Microchip Technology |
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206 / 304 page  dsPIC33FJ12MC201/202 DS70265E-page 206 © 2007-2011 Microchip Technology Inc. TABLE 21-2: dsPIC33F CONFIGURATION BITS DESCRIPTION Bit Field Register RTSP Effect Description BWRP FBS Immediate Boot Segment Program Flash Write Protection 1 = Boot segment can be written 0 = Boot segment is write-protected BSS<2:0> FBS Immediate Boot Segment Program Flash Code Protection Size X11 = No Boot program Flash segment Boot space is 256 Instruction Words (except interrupt vectors) 110 = Standard security; boot program Flash segment ends at 0x0003FE 010 = High security; boot program Flash segment ends at 0x0003FE Boot space is 768 Instruction Words (except interrupt vectors) 101 = Standard security; boot program Flash segment, ends at 0x0007FE 001 = High security; boot program Flash segment ends at 0x0007FE Boot space is 1792 Instruction Words (except interrupt vectors) 100 = Standard security; boot program Flash segment ends at 0x000FFE 000 = High security; boot program Flash segment ends at 0x000FFE GSS<1:0> FGS Immediate General Segment Code-Protect bit 11 = User program memory is not code-protected 10 = Standard security 0x = High security GWRP FGS Immediate General Segment Write-Protect bit 1 = User program memory is not write-protected 0 = User program memory is write-protected IESO FOSCSEL Immediate Two-speed Oscillator Start-up Enable bit 1 = Start-up device with FRC, then automatically switch to the user-selected oscillator source when ready 0 = Start-up device with user-selected oscillator source FNOSC<2:0> FOSCSEL If clock switch is enabled, RTSP effect is on any device Reset; otherwise, Immediate Initial Oscillator Source Selection bits 111 = Internal Fast RC (FRC) oscillator with postscaler 110 = Internal Fast RC (FRC) oscillator with divide-by-16 101 = LPRC oscillator 100 = Secondary (LP) oscillator 011 = Primary (XT, HS, EC) oscillator with PLL 010 = Primary (XT, HS, EC) oscillator 001 = Internal Fast RC (FRC) oscillator with PLL 000 = FRC oscillator FCKSM<1:0> FOSC Immediate Clock Switching Mode bits 1x = Clock switching is disabled, Fail-Safe Clock Monitor is disabled 01 = Clock switching is enabled, Fail-Safe Clock Monitor is disabled 00 = Clock switching is enabled, Fail-Safe Clock Monitor is enabled IOL1WAY FOSC Immediate Peripheral pin select configuration 1 = Allow only one reconfiguration 0 = Allow multiple reconfigurations OSCIOFNC FOSC Immediate OSC2 Pin Function bit (except in XT and HS modes) 1 = OSC2 is clock output 0 = OSC2 is general purpose digital I/O pin POSCMD<1:0> FOSC Immediate Primary Oscillator Mode Select bits 11 = Primary oscillator disabled 10 = HS Crystal Oscillator mode 01 = XT Crystal Oscillator mode 00 = EC (External Clock) mode |
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