PIC16F883 datasheet(74/288 Pages) MICROCHIP

부품명	PIC16F883

상세설명	28/40/44-Pin, Enhanced Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology

PDF	288 Pages

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제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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74 / 288 page

PIC16F882/883/884/886/887

41291D-page 72

Preliminary

FIGURE 4-9:

FSCM TIMING DIAGRAM

TABLE 4-2:

SUMMARY OF REGISTERS ASSOCIATED WITH CLOCK SOURCES

OSCFIF

System

Clock

Output

Sample Clock

Failure

Detected

Oscillator

Failure

Note:

The system clock is normally at a much higher frequency than the sample clock. The relative frequencies in

this example have been chosen for clarity.

(Q)

Test

Clock Monitor Output

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on

POR, BOR

Value on

all other

Resets(1)

CONFIG1(2)

CPD

MCLRE

PWRTE

WDTE

FOSC2

FOSC1

FOSC0

—

OSCCON

—

IRCF2

IRCF1

IRCF0

OSTS

HTS

LTS

SCS

-110 x000

OSCTUNE

—

TUN4

TUN3

TUN2

TUN1

TUN0

---0 0000

---u uuuu

PIE2

OSFIE

C2IE

C1IE

EEIE

BCLIE

ULPWUIE

—

CCP2IE

0000 00-0

PIR2

OSFIF

C2IF

C1IF

EEIF

BCLIF

ULPWUIF

—

CCP2IF

0000 00-0

Legend:

= unknown, u = unchanged, – = unimplemented locations read as ‘0’. Shaded cells are not used by oscillators.

Note

Other (non Power-up) Resets include MCLR Reset and Watchdog Timer Reset during normal operation.

See Configuration Word Register 1 (Register 14-1) for operation of all register bits.

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