Datasheet

 2004 Microchip Technology Inc. DS30498C-page 61
PIC16F7X7
FIGURE 5-13: BLOCK DIAGRAM OF RB5/AN13/CCP3 PIN
Data Latch
From other
RBPU
(1)
P
V
DD
I/O pin
QD
CK
QD
CK
QD
EN
QD
EN
Data Bus
WR PORTB
WR TRISB
Set RBIF
TRIS Latch
RD TRISB
RD PORTB
RB7:RB4 pins
Weak
Pull-up
RD PORTB
Latch
Q3
Q1
Note 1: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU
bit.
CCP3 Output
1
0
CCP3 Output Select
TTL
Input Buffer
Input Mode
Analog
Input Mode
Analog
Schmitt Trigger
Buffer
Input Mode
Analog
To CCP Module Input
Input Mode
Analog
To A/D Channel Input