PIC16(L)F722A/723A
DS41417B-page 64 2010-2012 Microchip Technology Inc.
FIGURE 6-11: BLOCK DIAGRAM OF RB6
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
ICSP™ Mode
ICSPCLK
0
1
0
1
TRIS_ICDCLK
PORT_ICDCLK
Debug
