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PIC16F882-I Fiches technique(PDF) 72 Page - Microchip Technology

No de pièce PIC16F882-I
Description  28/40/44-Pin, Enhanced Flash-Based 8-Bit CMOS Microcontrollers
PDF  328 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F882-I Fiches technique(HTML) 72 Page - Microchip Technology

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PIC16F882/883/884/886/887
DS41291F-page 70
© 2009 Microchip Technology Inc.
4.7.3
CHECKING TWO-SPEED CLOCK
STATUS
Checking the state of the OSTS bit of the OSCCON
register will confirm if the microcontroller is running
from the external clock source, as defined by the
FOSC<2:0> bits in the Configuration Word Register 1
(CONFIG1), or the internal oscillator.
FIGURE 4-7:
TWO-SPEED START-UP
0
1
1022 1023
PC + 1
TOST
T
HFINTOSC
OSC1
OSC2
Program Counter
System Clock
PC - N
PC



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