PIC16F7X7
FIGURE 5-8:
BLOCK DIAGRAM OF RB0/INT/AN12 PIN
VDD
(1)
Analog
Input Mode
RBPU
Weak
P
Pull-up
Data Latch
Data Bus
D
Q
I/O pin
WR PORTB
CK
TRIS Latch
D
Q
Analog
Input Mode
WR TRISB
CK
TTL
Input Buffer
RD TRISB
D
Q
RD PORTB
EN
Analog
Input Mode
RD PORTB
To INT
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
VDD
(1)
Analog
Input Mode
RBPU
Weak
P
Pull-up
Data Latch
Data Bus
D
Q
I/O pin
WR PORTB
CK
TRIS Latch
D
Q
WR TRISB
Analog
Input Mode
CK
TTL
Input Buffer
RD TRISB
D
Q
RD PORTB
EN
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.
2004 Microchip Technology Inc.
DS30498C-page 57
MICROCHIP [ MICROCHIP ]
