PIC18CXX2
TABLE 1-2:
Pin Name
DIP
PIC18C2X2 PINOUT I/O DESCRIPTIONS (Cont.’d)
Pin Number
Pin
SOIC Type
Buffer
Type
Description
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
RB1/INT1
RB1
INT1
RB2/INT2
RB2
INT2
RB3/CCP2
RB3
CCP2
RB4
RB5
RB6
21
21
I/O
I
TTL
ST
TTL
ST
TTL
ST
TTL
ST
TTL
TTL
TTL
ST
TTL
ST
Digital I/O.
External Interrupt 0.
22
22
I/O
I
External Interrupt 1.
Digital I/O.
External Interrupt 2.
Digital I/O.
Capture2 input, Compare2 output, PWM2 output.
Digital I/O.
Interrupt on change pin.
Digital I/O.
Interrupt on change pin.
Digital I/O.
Interrupt on change pin.
ICSP programming clock.
Digital I/O.
Interrupt on change pin.
ICSP programming data.
CMOS = CMOS compatible input or output
23
23
I/O
I
24
24
I/O
I/O
I/O
I/O
I/O
I
I/O
I/O
25
26
27
25
26
27
RB7
28
28
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
I = Input
O = Output
P = Power
OD = Open Drain (no P diode to V
DD
)
©
7/99 Microchip Technology Inc.
Preliminary
DS39026B-page 9
MICROCHIP [ MICROCHIP TECHNOLOGY ]
