PIC16F1933-ESLASHP datasheet(115/418 Pages) MICROCHIP

115 / 418 page

Preliminary

DS41364A-page 113

PIC16F193X/LF193X

8.5.5

OSCSTAT REGISTER

The OSCSTAT register contains flags that represent

the current status of the oscillators module.

OSCSTAT: OSCILLATOR STATUS REGISTER

R-0/q

R-q/q

R-0/q

R-q/q

R-0/0

R-0/q

T1OSCR

PLLR

OSTS

HFIOFR

HFIOFL

MFIOFR

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

bit 7

T1OSCR: Timer1 Oscillator Ready bit

If the Timer1 oscillator is enabled (T1OSCEN = 1)

= Timer1 oscillator is ready and can be switched to

= Timer1 oscillator is not ready

else Timer1 oscillator is disabled - clock source is T1CKI

= Timer1 oscillator is always ready

bit 6

PLLR 4x PLL Ready bit

= 4x PLL is ready and can be switched to

= 4x PLL oscillator is not ready

bit 5

OSTS: Oscillator Start-up Time-out Status bit

= Device running from the clock defined by FOSC<3:0> of the CONFIG1 register

= Device running from the internal oscillator (HFINTOSC, MFINTOSC or LFINTOSC)

bit 4

HFIOFR: High Frequency Internal Oscillator Ready bit

= 16 MHz Internal Oscillator (HFINTOSC) is ready and can be switched to

= 16 MHz Internal Oscillator (HFINTOSC) is not ready

bit 3

HFIOFL: High Frequency Internal Oscillator Status Locked bit (2% Stable)

= 16 MHz Internal Oscillator (HFINTOSC) is in lock

= 16 MHz Internal Oscillator (HFINTOSC) has not yet locked

bit 2

MFIOFR: Medium Frequency Internal Oscillator (500 kHz HFINTOSC Output) Ready bit

= 500 kHz Internal Oscillator (MFINTOSC) is ready and can be switched to

= 500 kHz Internal Oscillator (MFINTOSC) is not ready

bit 1

LFIOFR: Low Frequency Internal Oscillator Ready bit

= 31 kHz Internal Oscillator (LFINTOSC) is ready and can be switched to

= 31 kHz Internal Oscillator (LFINTOSC) is not ready

bit 0

HFIOFS: High Frequency Internal Oscillator Stable bit (0.5% Stable)

= 16 MHz Internal Oscillator (HFINTOSC) is in communications stable

= 16 MHz Internal Oscillator (HFINTOSC) is not yet communications stable

PIC16F1933-E/P Datasheet(PDF) 115 Page - Microchip Technology

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