PIC18F2682 Datasheet, PDF (20/484 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology

PIC18F2682/2685/4682/4685
TABLE 1-3: PIC18F4682/4685 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin Buffer
PDIP QFN TQFP ^{Type Type}
Description
PORTB is a bidirectional I/O port. PORTB can be
software programmed for internal weak pull-ups on all
inputs.
RB0/INT0/FLT0/AN10 33 9
RB0
INT0
FLT0
AN10
8
I/O TTL Digital I/O.
I
ST
External interrupt 0.
I
ST
Enhanced PWM Fault input (ECCP1 module).
I Analog Analog input 10.
RB1/INT1/AN8
RB1
INT1
AN8
34 10
9
I/O TTL Digital I/O.
I
ST
External interrupt 1.
I Analog Analog input 8.
RB2/INT2/CANTX
RB2
INT2
CANTX
35 11
10
I/O TTL
I
ST
O TTL
Digital I/O.
External interrupt 2.
CAN bus TX.
RB3/CANRX
RB3
CANRX
36 12
11
I/O TTL
I TTL
Digital I/O.
CAN bus RX.
RB4/KBI0/AN9
RB4
KBI0
AN9
37 14 14
I/O TTL Digital I/O.
I TTL Interrupt-on-change pin.
I Analog Analog input 9.
RB5/KBI1/PGM
RB5
KBI1
PGM
38 15
15
I/O TTL
I TTL
I/O ST
Digital I/O.
Interrupt-on-change pin.
Low-Voltage ICSP™ Programming enable pin.
RB6/KBI2/PGC
RB6
KBI2
PGC
39 16
16
I/O TTL
I TTL
I/O ST
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming
clock pin.
RB7/KBI3/PGD
RB7
KBI3
PGD
40 17
17
I/O TTL
I 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
CMOS = CMOS compatible input or output
I
= Input
P
= Power
DS39761B-page 18
Preliminary
© 2007 Microchip Technology Inc.