PIC16F737-I Datasheet, PDF (60/276 Pages) Microchip Technology – 28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC16F7X7
FIGURE 5-10:
BLOCK DIAGRAM OF RB2/AN8 PIN
RBPU⁽¹⁾
Data Bus
WR PORTB
WR TRISB
Data Latch
DQ
CK
TRIS Latch
DQ
CK
RD TRISB
RD PORTB
VDD
P
Weak
Pull-up
I/O pin
Analog
Input Mode
TTL
Input Buffer
QD
EN
To A/D Channel Input
RD PORTB
Note 1: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
DS30498C-page 58
 2004 Microchip Technology Inc.