PIC18F4539 Datasheet, PDF (17/322 Pages) Microchip Technology – Enhanced FLASH Microcontrollers with Single Phase Induction Motor Control Kernel

PIC18FXX39
TABLE 1-3: PIC18F4X39 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
DIP QFN TQFP ^Type
Buffer
Type
Description
RB0/INT0
RB0
INT0
RB1/INT1
RB1
INT1
RB2/INT2
RB2
INT2
RB3
RB4
RB5/PGM
RB5
PGM
RB6/PGC
RB6
PGC
33
9
8
I/O
TTL
I
ST
34 10
9
I/O
TTL
I
ST
35 11 10
I/O
TTL
I
ST
36 12
11 I/O
TTL
37 14 14 I/O
TTL
38 15 15
I/O
TTL
I/O
ST
39 16 16
I/O
TTL
I/O
ST
RB7/PGD
RB7
PGD
40 17 17
I/O
TTL
I/O
ST
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
O = Output
OD = Open Drain (no P diode to VDD)
PORTB is a bi-directional I/O port. PORTB can be
software programmed for internal weak pull-ups on all
inputs.
Digital I/O.
External interrupt 0.
Digital I/O.
External interrupt 1.
Digital I/O.
External interrupt 2.
Digital I/O.
Digital I/O. Interrupt-on-change pin.
Digital I/O. Interrupt-on-change pin.
Low Voltage ICSP programming enable pin.
Digital I/O. Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming
clock pin.
Digital I/O. Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming
data pin.
CMOS = CMOS compatible input or output
I
= Input
P
= Power
 2002 Microchip Technology Inc.
Preliminary
DS30485A-page 15