PIC10F320T-EMCSQTP datasheet(30/210 Pages) MICROCHIP

30 / 210 page

PIC10(L)F320/322

DS41585A-page 30

Preliminary

 2011 Microchip Technology Inc.

4.4

Oscillator Control Registers

4.4.1

OSCILLATOR CONTROL

The Oscillator Control (OSCCON) register (Register 4-2)

displays the oscillator readiness, stability and allows

frequency selection of the internal oscillator (INTOSC)

system clock.

OSCCON: OSCILLATOR CONTROL REGISTER

U-0

R/W-1/1

R/W-0/0

R-0/0

U-0

R-0/0

—

IRCF<2:0>

HFIOFR

—LFIOFR

HFIOFS

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

u = Bit is unchanged

x = Bit is unknown

-n/n = Value at POR and BOR/Value at all other Resets

‘1’ = Bit is set

‘0’ = Bit is cleared

q = Value depends on condition

bit 7

Unimplemented:

Read as ‘0’

bit 6-4

IRCF<2:0>:

INTOSC (FOSC) Frequency Select bits

111

= 16 MHz

110

= 8 MHz (default value)

101

= 4 MHz

100

= 2 MHz

011

= 1 MHz

010

= 500 kHz

001

= 250 kHz

000

= 31 kHz (LFINTOSC)

bit 3

HFIOFR:

High-Frequency Internal Oscillator Ready bit

= 16 MHz Internal Oscillator (HFINTOSC) is ready

= 16 MHz Internal Oscillator (HFINTOSC) is not ready

bit 2

Unimplemented:

Read as ‘0’

bit 1

LFIOFR:

Low-Frequency Internal Oscillator Ready bit

= 31 kHz Internal Oscillator (LFINTOSC) is ready

= 31 kHz Internal Oscillator (LFINTOSC) is not ready

bit 0

HFIOFS:

High-Frequency Internal Oscillator Stable bit

= 16 MHz Internal Oscillator (HFINTOSC) is stable

= 16 MHz Internal Oscillator (HFINTOSC) is not stable

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