30F4013 datasheet(150/228 Pages) MICROCHIP

150 / 228 page

dsPIC30F3014/4013

DS70138G-page 150

 2010 Microchip Technology Inc.

FOSC: OSCILLATOR CONFIGURATION REGISTER

—

bit 23

bit 16

R/P

FCKSM<1:0>

—

—FOS<2:0>

bit 15

bit 8

R/P

—

—FPR<4:0>

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 23-16

Unimplemented: Read as ‘0’

bit 15-14

FCKSM<1:0>: Clock Switching and Monitor Selection Configuration bits

= Clock switching is disabled, Fail-Safe Clock Monitor is disabled

= Clock switching is enabled, Fail-Safe Clock Monitor is disabled

= Clock switching is enabled, Fail-Safe Clock Monitor is enabled

bit 13-11

Unimplemented: Read as ‘0’

bit 10-8

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

bit 7-5

Unimplemented: Read as ‘0’

bit 4-0

FPR<4:0>: Oscillator Selection within Primary Group bits (see Table 20-2)

30F4013 Datasheet(PDF) 150 Page - Microchip Technology

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