Datasheet

 1999-2013 Microchip Technology Inc. DS39026D-page 11
PIC18CXX2
PORTB is a bi-directional I/O port. PORTB can be software
programmed for internal weak pull-ups on all inputs.
RB0/INT0
RB0
INT0
21 21
I/O
I
TTL
ST
Digital I/O.
External Interrupt 0.
RB1/INT1
RB1
INT1
22 22
I/O
I
TTL
ST External Interrupt 1.
RB2/INT2
RB2
INT2
23 23
I/O
I
TTL
ST
Digital I/O.
External Interrupt 2.
RB3/CCP2
RB3
CCP2
24 24
I/O
I/O
TTL
ST
Digital I/O.
Capture2 input, Compare2 output, PWM2 output.
RB4 25 25 I/O TTL Digital I/O.
Interrupt-on-change pin.
RB5 26 26 I/O TTL Digital I/O.
Interrupt-on-change pin.
RB6 27 27 I/O
I
TTL
ST
Digital I/O.
Interrupt-on-change pin.
ICSP programming clock.
RB7 28 28 I/O
I/O
TTL
ST
Digital I/O.
Interrupt-on-change pin.
ICSP programming data.
TABLE 1-2: PIC18C2X2 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
DIP SOIC
Legend: TTL = TTL compatible input CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels I = Input
O = Output P = Power
OD = Open Drain (no P diode to V
DD)