PIC16F737-I Datasheet, PDF (63/276 Pages) Microchip Technology – 28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

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