Microchip Technology MA330016 Data Sheet

Page of 300
© 2007-2011 Microchip Technology Inc.
DS70290J-page 191
dsPIC33FJ32GP202/204 and dsPIC33FJ16GP304
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 bit
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
FWDTEN
FWDT
Immediate Watchdog Timer Enable bit
1 = Watchdog Timer always enabled (LPRC oscillator cannot be disabled.
Clearing the SWDTEN bit in the RCON register will have no effect.)
0 = Watchdog Timer enabled/disabled by user software (LPRC can be
disabled by clearing the SWDTEN bit in the RCON register)
WINDIS
FWDT
Immediate Watchdog Timer Window Enable bit
1 = Watchdog Timer in Non-Window mode
0 = Watchdog Timer in Window mode
WDTPRE
FWDT
Immediate Watchdog Timer Prescaler bit
1 = 1:128
0 = 1:32
WDTPOST<3:0>
FWDT
Immediate Watchdog Timer Postscaler bits
1111 = 1:32,768
1110 = 1:16,384



0001 = 1:2
0000 = 1:1
ALTI2C
FPOR
Immediate Alternate I
2
C™ pins
1 = I
2
C mapped to SDA1/SCL1 pins
0 = I
2
C mapped to ASDA1/ASCL1 pins
FPWRT<2:0>
FPOR
Immediate Power-on Reset Timer Value Select bits
111 = PWRT = 128 ms
110 = PWRT = 64 ms
101 = PWRT = 32 ms
100 = PWRT = 16 ms
011 = PWRT = 8 ms
010 = PWRT = 4 ms
001 = PWRT = 2 ms
000 = PWRT = Disabled
JTAGEN
FICD
Immediate JTAG Enable bit
1 = JTAG enabled
0 = JTAG disabled
TABLE 19-2:
CONFIGURATION BITS DESCRIPTION (CONTINUED)
Bit Field
Register
RTSP 
Effect
Description