PIC16F753 Datasheet, PDF (172/238 Pages) Microchip Technology – 14/16-Pin, Flash-Based 8-Bit CMOS Microcontrollers

PIC16F753/HV753
19.4.2 TIMER0 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 6.0 “Timer0 Module”
for operation of the Timer0 module.
19.4.3 PORTA INTERRUPT-ON-CHANGE
An input change on PORTA sets the IOCIF bit of the
INTCON register. The interrupt can be enabled/
disabled by setting/clearing the IOCIE bit of the
INTCON register. Plus, individual pins can be
configured through the IOC register.
Note:
If a change on the I/O pin should occur
when any PORTA operation is being
executed, then the IOCIF interrupt flag
may not get set.
FIGURE 19-7:
INTERRUPT LOGIC
Peripheral Interrupts
(TMR1IF) PIR1<0>
(TMR1IF) PIR1<0>
PIRn<7>
PIEn<7>
T0IF
T0IE
INTF
INTE
IOCIF
IOCIE
PEIE
GIE
Wake-up
(If in Sleep mode)
Interrupt
to CPU
DS40001709A-page 172
Preliminary
 2013 Microchip Technology Inc.