DSPIC30F2011AT-30ESLASHS datasheet(148/238 Pages) MICROCHIP

148 / 238 page

dsPIC30F6011A/6012A/6013A/6014A

DS70143C-page 146

Preliminary

20.2

Oscillator Configurations

20.2.1

INITIAL CLOCK SOURCE

SELECTION

While coming out of Power-on Reset or Brown-out

Reset, the device selects its clock source based on:

FOS<2:0> Configuration bits that select one of

four oscillator groups, and

FPR<4:0> Configuration bits that select the

oscillator choices within the primary group.

The selection is as shown in Table 20-2.

TABLE 20-2:

CONFIGURATION BIT VALUES FOR CLOCK SELECTION

Oscillator Mode

Oscillator

Source

FOS<2:0>

FPR<4:0>

OSC2 Function

ECIO w/PLL 4x

PLL

101101

I/O

ECIO w/PLL 8x

PLL

101110

I/O

ECIO w/PLL 16x

PLL

101111

I/O

FRC w/PLL 4x

PLL

100001

I/O

FRC w/PLL 8x

PLL

101010

I/O

FRC w/PLL 16x

PLL

100011

I/O

XT w/PLL 4x

PLL

100101

OSC2

XT w/PLL 8x

PLL

100110

OSC2

XT w/PLL 16x

PLL

100111

OSC2

HS/2 w/PLL 4x

PLL

110001

OSC2

HS/2 w/PLL 8x

PLL

110010

OSC2

HS/2 w/PLL 16x

PLL

110011

OSC2

HS/3 w/PLL 4x

PLL

110101

OSC2

HS/3 w/PLL 8x

PLL

110110

OSC2

HS/3 w/PLL 16x

PLL

110111

OSC2

ECIO

External

101100

I/O

External

100100

OSC2

External

100010

OSC2

External

101011

CLKOUT

ERC

External

101001

CLKOUT

ERCIO

External

101000

I/O

XTL

External

100000

OSC2

Secondary

0xxxxx

(Note 1, 2)

FRC

Internal FRC

1xxxxx

(Note 1, 2)

LPRC

Internal LPRC

0xxxxx

(Note 1, 2)

Note 1:

OSC2 pin function is determined by FPR<4:0>.

OSC1 pin cannot be used as an I/O pin even if the secondary oscillator or an internal clock source is

selected at all times.

DSPIC30F2011AT-30E/S Datasheet(PDF) 148 Page - Microchip Technology

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