PIC18FXX39 Datasheet, PDF (12/322 Pages) Microchip Technology – Enhanced FLASH Microcontrollers with Single Phase Induction Motor Control Kernel

PIC18FXX39
TABLE 1-2: PIC18F2X39 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
Digital I/O.
External interrupt 1.
RB2/INT2
RB2
INT2
23 23
I/O TTL
I
ST
Digital I/O.
External interrupt 2.
RB3
24 24 I/O TTL
Digital I/O.
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
DS30485B-page 12
Preliminary
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