Information

© 2008 Microchip Technology Inc. DS39646C-page 15
PIC18F8722 FAMILY
PORTB is a bidirectional I/O port. PORTB can be software
programmed for internal weak pull-ups on all inputs.
RB0/INT0/FLT0
RB0
INT0
FLT0
48
I/O
I
I
TTL
ST
ST
Digital I/O.
External interrupt 0.
PWM Fault input for ECCPx.
RB1/INT1
RB1
INT1
47
I/O
I
TTL
ST
Digital I/O.
External interrupt 1.
RB2/INT2
RB2
INT2
46
I/O
I
TTL
ST
Digital I/O.
External interrupt 2.
RB3/INT3
RB3
INT3
45
I/O
I
TTL
ST
Digital I/O.
External interrupt 3.
RB4/KBI0
RB4
KBI0
44
I/O
I
TTL
TTL
Digital I/O.
Interrupt-on-change pin.
RB5/KBI1/PGM
RB5
KBI1
PGM
43
I/O
I
I/O
TTL
TTL
ST
Digital I/O.
Interrupt-on-change pin.
Low-Voltage ICSP™ Programming enable pin.
RB6/KBI2/PGC
RB6
KBI2
PGC
42
I/O
I
I/O
TTL
TTL
ST
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming clock pin.
RB7/KBI3/PGD
RB7
KBI3
PGD
37
I/O
I
I/O
TTL
TTL
ST
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming data pin.
TABLE 1-3: PIC18F6527/6622/6627/6722 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
TQFP
Legend: TTL = TTL compatible input CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels Analog= Analog input
I = Input O = Output
P= Power I
2
C™ = I
2
C/SMBus input buffer
Note 1: Default assignment for ECCP2 when Configuration bit, CCP2MX, is set.
2: Alternate assignment for ECCP2 when Configuration bit, CCP2MX, is cleared.