PIC12F635-ISLASHST datasheet(142/234 Pages) MICROCHIP

Part #	PIC12F635-I/ST

Description	8/14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology

PDF	234 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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142 / 234 page

PIC12F635/PIC16F636/639

DS41232D-page 140

12.9.2

TIMER INTERRUPT

An overflow (FFh

→ 00h) in the TMR0 register will set

the T0IF bit of the INTCON register. The interrupt can be

enabled/disabled by setting/clearing T0IE bit of the

INTCON register. See Section 5.0 “Timer0 Module”

for operation of the Timer0 module.

12.9.3

PORTA INTERRUPT

An input change on PORTA change sets the RAIF bit of

the

INTCON

The

interrupt

can

enabled/disabled by setting/clearing the RAIE bit of the

INTCON register. Plus, individual pins can be configured

through the IOCA register.

FIGURE 12-7:

INTERRUPT LOGIC

Note:

If a change on the I/O pin should occur

when the read operation is being executed

(start of the Q2 cycle), then the RAIF

interrupt flag may not get set.

TMR1IF

TMR1IE

C1IF

C1IE

T0IF

T0IE

INTF

INTE

RAIF

RAIE

GIE

PEIE

Wake-up (If in Sleep mode)

Interrupt to CPU

CRIE

CRIF

EEIF

EEIE

IOC-RA0

IOCA0

IOC-RA1

IOCA1

IOC-RA2

IOCA2

IOC-RA3

IOCA3

IOC-RA4

IOCA4

IOC-RA5

IOCA5

LVDIF

LVDIE

OSFIF

OSFIE

C2IF(1)

C2IE(1)

Note 1:

PIC16F636/639 only.

PIC12F635-I/ST Datasheet(PDF) 142 Page - Microchip Technology

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