Datasheet

 2003-2013 Microchip Technology Inc. DS30498D-page 57
PIC16F7X7
FIGURE 5-8: BLOCK DIAGRAM OF RB0/INT/AN12 PIN
FIGURE 5-9: BLOCK DIAGRAM OF RB1/AN10 PIN
Note 1: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
Data Latch
RBPU
(1)
P
V
DD
QD
CK
QD
CK
Q
D
EN
Data Bus
WR PORTB
WR TRISB
RD TRISB
RD PORTB
Weak
Pull-up
RD PORTB
I/O pin
TRIS Latch
To INT
TTL
Input Buffer
Input Mode
Analog
Input Mode
Analog
To A/D Channel Input
Input Mode
Analog
Note 1: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
Data Latch
RBPU
(1)
P
V
DD
QD
CK
QD
CK
Q
D
EN
Data Bus
WR PORTB
WR TRISB
RD TRISB
RD PORTB
Weak
Pull-up
RD PORTB
I/O pin
TRIS Latch
TTL
Input Buffer
Input Mode
Analog
To A/D Channel Input
Input Mode
Analog