PIC16F1459-ESSQTP datasheet(76/418 Pages) MICROCHIP

76 / 418 page

PIC16(L)F1454/5/9

DS41639A-page 76

Preliminary

 2012 Microchip Technology Inc.

OSCSTAT: OSCILLATOR STATUS REGISTER

R-1/q

R-0/q

R-q/q

R-0/q

U-0

R-0/q

SOSCR

PLLRDY

OSTS

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 = Conditional

bit 7

SOSCR: Secondary Oscillator Ready bit

If T1OSCEN = 1:

1 = Secondary oscillator is ready

0 = Secondary oscillator is not ready

If T1OSCEN = 0:

1 = Timer1 clock source is always ready

bit 6

PLLRDY: PLL Ready bit

1 = PLL is ready

0 = PLL is not ready

bit 5

OSTS: Oscillator Start-up Timer Status bit

1 = Running from the clock defined by the FOSC<2:0> bits of the Configuration Words

0 = Running from an internal oscillator (FOSC<2:0> = 100)

bit 4

HFIOFR: High-Frequency Internal Oscillator Ready bit

1 = HFINTOSC is ready

0 = HFINTOSC is not ready

bit 3-2

Unimplemented: Read as ‘0’

bit 1

LFIOFR: Low-Frequency Internal Oscillator Ready bit

1 = LFINTOSC is ready

0 = LFINTOSC is not ready

bit 0

HFIOFS: High-Frequency Internal Oscillator Stable bit

1 = HFINTOSC 16 MHz Oscillator is stable and is driving the INTOSC

0 = HFINTOSC 16 MHz is not stable, the Start-up Oscillator is driving INTOSC

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