PIC16F636T-I/SL(2005) View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16F636T-I/SL
(Rev.:2005)

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

Microchip Technology 

PIC12F635/PIC16F636/639

12.9.2 TMR0 INTERRUPT

An overflow (FFh → 00h) in the TMR0 register will set

the T0IF (INTCON<2>) bit. The interrupt can be

enabled/disabled by setting/clearing T0IE (INTCON<5>)

bit. See Section 5.0 “Timer0 Module” for operation of

the Timer0 module.

FIGURE 12-7:

INTERRUPT LOGIC

IOC-RA0

IOCA0

IOC-RA1

IOCA1

IOC-RA2

IOCA2

IOC-RA3

IOCA3

IOC-RA4

IOCA4

IOC-RA5

IOCA5

LVDIF

LVDIE

TMR1IF

TMR1IE

C1IF

C1IE

C2IF(1)

C2IE(1)

EEIF

EEIE

OSFIF

OSFIE

CRIF

CRIE

T0IF

T0IE

INTF

INTE

RAIF

RAIE

PEIE

GIE

Note 1: PIC16F636/639 only.

12.9.3 PORTA INTERRUPT

An input change on PORTA change sets the RAIF

(INTCON<0>) bit. The interrupt can be enabled/

disabled by setting/clearing the RAIE (INTCON<3>)

bit. Plus, individual pins can be configured through the

IOCA register.

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.

Wake-up (If in Sleep mode)

Interrupt to CPU

DS41232B-page 122

Preliminary

© 2005 Microchip Technology Inc.

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