Datasheet

Table Of Contents
PIC16(L)F1508/9
DS40001609C-page 124 2011-2013 Microchip Technology Inc.
FIGURE 12-1: INTERRUPT-ON-CHANGE BLOCK DIAGRAM (PORTA EXAMPLE)
IOCANx
IOCAPx
Q2
Q4Q1
data bus =
0or1
write IOCAFx
IOCIE
to data bus
IOCAFx
edge
detect
IOC interrupt
to CPU core
from all other
IOCnFx individual
pin detectors
DQ
R
S
DQ
R
DQ
R
RAx
Q1
Q2
Q3
Q4
Q4Q1
Q1
Q2
Q3
Q4
Q1
Q2
Q3
Q4
Q4Q1
Q4Q1
Q4Q1
FOSC
Rev. 10-000037A
7/30/2013