PIC16F722 Datasheet, PDF (71/302 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

PIC16F72X/PIC16LF72X
FIGURE 6-12:
BLOCK DIAGRAM OF RB7
ICSP™ MODE
DEBUG
Data Bus
WR
WPUB
DQ
CK _Q
RD
WPUB
WR
PORTB
DQ
CK _Q
WR
TRISB
DQ
CK _Q
RD
TRISB
RD
PORTB
WR
IOCB
DQ
CK _Q
RD
IOCB
Interrupt-on-
Change
ICSPDAT_IN
RBPU
PORT_ICDDAT
1
0
0
1
TRIS_ICDDAT
QD
EN
Q3
QD
EN
RD PORTB
VDD
Weak
VDD
I/O Pin
VSS
© 2009 Microchip Technology Inc.
DS41341E-page 71