PIC16F747 Microchip Technology Inc., PIC16F747 Datasheet - Page 60

• Manufacturer Part Number: PIC16F747
• Description: 28/40/44-pin, 8-bit Cmos Flash Microcontrollers With 10-bit A/d And Nanowatt Technology
• Manufacturer: Microchip Technology Inc.

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