Datasheet

 2010-2012 Microchip Technology Inc. DS41417B-page 61
PIC16(L)F722A/723A
FIGURE 6-8: BLOCK DIAGRAM OF RB4, RB<2:1>
I/O Pin
VDD
VSS
D
Q
CK
Q
D
Q
CK
Q
RD
WR
WR
RD
Data Bus
PORTB
TRISB
TRISB
PORTB
D
Q
CK
Q
VDD
Weak
WR
WPUB
RD
WPUB
RBPU
D
Q
CK
Q
D
EN
Q
D
EN
Q
RD PORTB
WR
IOCB
RD
IOCB
Interrupt-on-
Change
Q3
ANSB<4,2,1>
To A /D Co n v er te r
To Cap Sensor