Datasheet

 2011 Microchip Technology Inc. Preliminary DS41586A-page 112
PIC16(L)F1507
FIGURE 12-1: INTERRUPT-ON-CHANGE BLOCK DIAGRAM (PORTB EXAMPLE)
D
CK
R
Q
D
CK
R
Q
RBx
IOCBNx
IOCBPx
Q2
D
CK
S
Q
Q4Q1
Data Bus =
0 or 1
Write IOCBFx
IOCIE
To Data Bus
IOCBFx
Edge
Detect
IOC interrupt
to CPU core
From all other
IOCBFx individual
Pin Detectors
Q1
Q2
Q3
Q4
Q4Q1
Q1
Q2
Q3
Q4
Q1
Q2
Q3
Q4
Q4
Q4Q1
Q4Q1
Q4Q1