PIC18F452-IPT Datasheet, PDF (13/332 Pages) Microchip Technology – High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D

PIC18FXX2
TABLE 1-2: PIC18F2X2 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number _{Pin Buffer}
DIP SOIC ^{Type 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
21 21
I/O TTL
I
ST
Digital I/O.
External Interrupt 0.
RB1/INT1
RB1
INT1
22 22
I/O TTL
I
ST
External Interrupt 1.
RB2/INT2
RB2
INT2
23 23
I/O TTL
I
ST
Digital I/O.
External Interrupt 2.
RB3/CCP2
RB3
CCP2
24 24
I/O TTL
I/O
ST
Digital I/O.
Capture2 input, Compare2 output, PWM2 output.
RB4
25 25 I/O TTL
Digital I/O.
Interrupt-on-change pin.
RB5/PGM
RB5
PGM
26 26
I/O TTL
I/O
ST
Digital I/O. Interrupt-on-change pin.
Low Voltage ICSP programming enable pin.
RB6/PGC
RB6
PGC
27 27
I/O TTL
I/O
ST
Digital I/O. Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming clock pin.
RB7/PGD
RB7
PGD
28 28
I/O TTL
I/O
ST
Digital I/O. Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming data pin.
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
OD = Open Drain (no P diode to VDD)
CMOS = CMOS compatible input or output
I = Input
P = Power
© 2006 Microchip Technology Inc.
DS39564C-page 11