DSPIC30F6014A-30IPT Datasheet, PDF (154/239 Pages) Microchip Technology – High-Performance, 16-Bit Digital Signal Controllers

dsPIC30F6011A/6012A/6013A/6014A
REGISTER 20-3: FOSC: OSCILLATOR CONFIGURATION REGISTER
U-0
—
bit 23
U-0
U-0
U-0
U-0
U-0
—
—
—
—
—
U-0
U-0
—
—
bit 16
R/P
R/P
U-0
U-0
U-0
R/P
R/P
R/P
FCKSM<1:0>
—
—
—
FOS<2:0>
bit 15
bit 8
U-0
—
bit 7
U-0
U-0
R/P
R/P
R/P
R/P
R/P
—
—
FPR<4:0>
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 23-16
bit 15-14
bit 13-11
bit 10-8
bit 7-5
bit 4-0
Unimplemented: Read as ‘0’
FCKSM<1:0>: Clock Switching and Monitor Selection Configuration 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
Unimplemented: Read as ‘0’
FOS<2:0>: Oscillator Group Selection on POR bits
111 = PLL Oscillator; PLL source selected by FPR<4:0> bits. See Table 20-2.
011 = EXT: External Oscillator; OSC1/OSC2 pins; External Oscillator configuration selected by
FPR<4:0> bits
010 = LPRC: Internal Low Power RC
001 = FRC: Internal Fast RC
000 = LPOSC: Low Power Crystal Oscillator; SOSCI/SOSCO pins
Unimplemented: Read as ‘0’
FPR<4:0>: Oscillator Selection within Primary Group bits, see Table 20-2.
DS70143C-page 152
Preliminary
© 2006 Microchip Technology Inc.