PIC16LF18854 Datasheet, PDF (259/668 Pages) Microchip Technology – C Compiler Optimized RISC Architecture

PIC16(L)F18856/76
FIGURE 15-1:
INTERRUPT-ON-CHANGE BLOCK DIAGRAM (PORTA EXAMPLE)
IOCANx
D
Q
R
RAx
Q4Q1
edge
detect
Rev. 10-000 037A
6/2/201 4
IOCAPx
Q2
D
Q
R
data bus =
0 or 1
S
D
Q
write IOCAFx
from all other
IOCnFx individual
pin detectors
IOCIE
to data bus
IOCAFx
IOC interrupt
to CPU core
FOSC
Q1
Q1
Q1
Q2
Q2
Q2
Q3
Q3
Q3
Q4
Q4
Q4
Q4Q1
Q4Q1
Q4Q1
Q4Q1
 2016 Microchip Technology Inc.
Preliminary
DS40001824A-page 259