dspic33fj128gp204 Microchip Technology Inc., dspic33fj128gp204 Datasheet - Page 299
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dspic33fj128gp204
Manufacturer Part Number
dspic33fj128gp204
Description
High-performance, 16-bit Digital Signal Controllers
Manufacturer
Microchip Technology Inc.
Datasheet
1.DSPIC33FJ128GP204.pdf
(386 pages)
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TABLE 27-2:
© 2009 Microchip Technology Inc.
Note 1: This Configuration register is not available on dsPIC33FJ32GP302/304 devices.
POSCMD<1:0>
FNOSC<2:0>
FCKSM<1:0>
OSCIOFNC
GSS<1:0>
IOL1WAY
WDTPRE
FWDTEN
Bit Field
WINDIS
GWRP
IESO
dsPIC33F CONFIGURATION BITS DESCRIPTION (CONTINUED)
FOSCSEL
FOSCSEL
Register
FWDT
FOSC
FOSC
FOSC
FOSC
FWDT
FWDT
FGS
FGS
General Segment Code-Protect bit
11 = User program memory is not code-protected
10 = Standard security
0x = High security
General Segment Write-Protect bit
1 = User program memory is not write-protected
0 = User program memory is write-protected
Two-speed Oscillator Start-up Enable bit
1 = Start-up device with FRC, then automatically switch to the
0 = Start-up device with user-selected oscillator source
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
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
Peripheral pin select configuration
1 = Allow only one reconfiguration
0 = Allow multiple reconfigurations
OSC2 Pin Function bit (except in XT and HS modes)
1 = OSC2 is clock output
0 = OSC2 is general purpose digital I/O pin
Primary Oscillator Mode Select bits
11 = Primary oscillator disabled
10 = HS Crystal Oscillator mode
01 = XT Crystal Oscillator mode
00 = EC (External Clock) mode
Watchdog Timer Enable bit
1 = Watchdog Timer always enabled (LPRC oscillator cannot be disabled.
0 = Watchdog Timer enabled/disabled by user software (LPRC can be
Watchdog Timer Window Enable bit
1 = Watchdog Timer in Non-Window mode
0 = Watchdog Timer in Window mode
Watchdog Timer Prescaler bit
1 = 1:128
0 = 1:32
Clearing the SWDTEN bit in the RCON register has no effect.)
disabled by clearing the SWDTEN bit in the RCON register)
Preliminary
user-selected oscillator source when ready
Description
DS70292C-page 297
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