PIC16F737-I Datasheet, PDF (59/276 Pages) Microchip Technology – 28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC16F7X7
FIGURE 5-8:
BLOCK DIAGRAM OF RB0/INT/AN12 PIN
Analog
Input Mode
RBPU ⁽¹⁾
Data Bus
WR PORTB
WR TRISB
Data Latch
DQ
CK
TRIS Latch
DQ
CK
RD TRISB
VDD
P
Weak
Pull-up
I/O pin
Analog
Input Mode
TTL
Input Buffer
RD PORTB
QD
EN
To INT
Analog
Input Mode
RD PORTB
To A/D Channel Input
Note 1: To enable weak pull-ups, set the appropriate TRIS bit(s) and clear the RBPU bit.
FIGURE 5-9:
BLOCK DIAGRAM OF RB1/AN10 PIN
Analog
Input Mode
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.
 2004 Microchip Technology Inc.
DS30498C-page 57