PIC18F87J90 Datasheet, PDF (121/450 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F87J90 FAMILY
TABLE 10-5: PORTB FUNCTIONS
Pin Name
Function
TRIS
Setting
I/O
I/O
Type
Description
RB0/INT0/SEG30
RB0
0
O
DIG LATB<0> data output.
1
I
TTL PORTB<0> data input; weak pull-up when RBPU bit is cleared.
INT0
1
I
ST External Interrupt 0 input.
SEG30
x
O
ANA LCD Segment 30 output; disables all other pin functions.
RB1/INT1/SEG8
RB1
0
O
DIG LATB<1> data output.
1
I
TTL PORTB<1> data input; weak pull-up when RBPU bit is cleared.
INT1
1
I
ST External Interrupt 1 input.
SEG8
x
O
ANA LCD Segment 8 output; disables all other pin functions.
RB2/INT2/SEG9/
CTED1
RB2
0
O
DIG LATB<2> data output.
1
I
TTL PORTB<2> data input; weak pull-up when RBPU bit is cleared.
INT2
1
I
ST External Interrupt 2 input.
SEG9
x
O
ANA LCD Segment 9 output; disables all other pin functions.
CTED1
x
I
ST CTMU Edge 1 input.
RB3/INT3/SEG10/
CTED2
RB3
0
O
DIG LATB<3> data output.
1
I
TTL PORTB<3> data input; weak pull-up when RBPU bit is cleared.
INT3
1
I
ST External Interrupt 3 input.
SEG10
x
O
ANA LCD Segment 10 output; disables all other pin functions.
CTED2
x
I
ST CTMU Edge 2 input.
RB4/KBI0/SEG11
RB4
0
O
DIG LATB<4> data output.
1
I
TTL PORTB<4> data input; weak pull-up when RBPU bit is cleared.
KBI0
1
I
TTL Interrupt-on-pin change.
SEG11
x
O
ANA LCD Segment 11 output; disables all other pin functions.
RB5/KBI1/SEG29
RB5
0
O
DIG LATB<5> data output.
1
I
TTL PORTB<5> data input; weak pull-up when RBPU bit is cleared.
KBI1
1
I
TTL Interrupt-on-pin change.
SEG29
x
O
ANA LCD Segment 29 output; disables all other pin functions.
RB6/KBI2/PGC
RB6
0
O
DIG LATB<6> data output.
1
I
TTL PORTB<6> data input; weak pull-up when RBPU bit is cleared.
KBI2
1
I
TTL Interrupt-on-pin change.
PGC
x
I
ST Serial execution (ICSP™) clock input for ICSP and ICD operation.
RB7/KBI3/PGD
RB7
0
O
DIG LATB<7> data output.
1
I
TTL PORTB<7> data input; weak pull-up when RBPU bit is cleared.
KBI3
1
I
TTL Interrupt-on-pin change.
PGD
x
O
DIG Serial execution data output for ICSP and ICD operation.
x
I
ST Serial execution data input for ICSP and ICD operation.
Legend: O = Output, I = Input, ANA = Analog Signal, DIG = Digital Output, ST = Schmitt Trigger Buffer Input,
TTL = TTL Buffer Input, x = Don’t care (TRIS bit does not affect port direction or is overridden for this option).
 2010 Microchip Technology Inc.
DS39933D-page 121