DSPIC30F2010T-20I/SOG【PDF 3/66 页】IC DSPIC MCU/DSP 12K 28SOIC

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2010 Microchip Technology Inc.

DS70102K-page 11

dsPIC30F Flash Programming Specification

TABLE 5-6:

FOSC CONFIGURATION BITS DESCRIPTION FOR dsPIC30F2011/2012,

dsPIC30F3010/3011/3012/3013/3014, dsPIC30F4013, dsPIC30F5015/5016,

dsPIC30F6010A/6011A/6012A/6013A/6014A AND dsPIC30F6015

Bit Field

Register

Description

FCKSM<1:0>

FOSC

Clock Switching Mode

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

FOS<2:0>

FOSC

Oscillator Source Selection on POR

111 = Primary Oscillator

110 = Reserved

101 = Reserved

100 = Reserved

011 = Reserved

010 = Internal Low-Power RC Oscillator

001 = Internal Fast RC Oscillator (no PLL)

000 = Low-Power 32 kHz Oscillator (Timer1 Oscillator)

FPR<4:0>

FOSC

Primary Oscillator Mode (when FOS<2:0> = 111b)

11xxx = Reserved (do not use)

10111 = HS/3 w/PLL 16X – HS/3 crystal oscillator with 16X PLL

(10 MHz-25 MHz crystal)

10110 = HS/3 w/PLL 8X – HS/3 crystal oscillator with 8X PLL

(10 MHz-25 MHz crystal)

10101 = HS/3 w/PLL 4X – HS/3 crystal oscillator with 4X PLL

(10 MHz-25 MHz crystal)

10100 = Reserved (do not use)

10011 = HS/2 w/PLL 16X – HS/2 crystal oscillator with 16X PLL

(10 MHz-25 MHz crystal)

10010 = HS/2 w/PLL 8X – HS/2 crystal oscillator with 8X PLL

(10 MHz-25 MHz crystal

10001 = HS/2 w/PLL 4X – HS/2 crystal oscillator with 4X PLL

(10 MHz-25 MHz crystal)

10000 = Reserved (do not use)

01111 = ECIO w/PLL 16x – External clock with 16x PLL. OSC2 pin is I/O

01110 = ECIO w/PLL 8x – External clock with 8x PLL. OSC2 pin is I/O

01101 = ECIO w/PLL 4x – External clock with 4x PLL. OSC2 pin is I/O

01100 = Reserved (do not use)

01011 = Reserved (do not use)

01010 = FRC w/PLL 8x – Internal fast RC oscillator with 8x PLL. OSC2 pin is I/O

01001 = Reserved (do not use)

01000 = Reserved (do not use)

00111 = XT w/PLL 16X – XT crystal oscillator with 16X PLL

00110 = XT w/PLL 8X – XT crystal oscillator with 8X PLL

00101 = XT w/PLL 4X – XT crystal oscillator with 4X PLL

00100 = Reserved (do not use)

00011 = FRC w/PLL 16x – Internal fast RC oscillator with 8x PLL. OSC2 pin is I/O

00010 = Reserved (do not use)

00001 = FRC w/PLL 4x – Internal fast RC oscillator with 4x PLL. OSC2 pin is I/O

00000 = Reserved (do not use)

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