PIC16F722 Datasheet, PDF (66/302 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC16F72X/PIC16LF72X
FIGURE 6-7:
BLOCK DIAGRAM OF RB0
Data Bus
WR
WPUB
DQ
CK _Q
RD
WPUB
WR
PORTB
DQ
CK _Q
WR
TRISB
DQ
CK _Q
RD
TRISB
ANSB0
RBPU
RD
PORTB
WR
IOCB
DQ
CK _Q
RD
IOCB
Interrupt-on-
Change
QD
EN
Q3
QD
EN
RD PORTB
To External Interrupt Logic
VDD
Weak
VDD
I/O Pin
VSS
To A/D Converter
To Cap Sensor
DS41341E-page 66
© 2009 Microchip Technology Inc.