PIC18F87K90 Datasheet, PDF (16/566 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC18F87K90 FAMILY
TABLE 1-3: PIC18F6XK90 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number _{Pin Buffer}
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/SEG30/FLTO
RB0
INT0
SEG30
FLTO
48
I/O TTL
Digital I/O.
I
ST
External Interrupt 0.
O Analog SEG30 output for LCD.
I
ST
Enhanced PWM Fault input for ECCP1/2/3.
RB1/INT1/SEG8
RB1
INT1
SEG8
47
I/O TTL
Digital I/O.
I
ST
External Interrupt 1.
O Analog SEG8 output for LCD.
RB2/INT2/SEG9/CTED1
46
RB2
I/O TTL
Digital I/O.
INT2
I
ST
External Interrupt 2.
CTED1
I
ST
CTMU Edge 1 input.
SEG9
O Analog SEG9 output for LCD.
RB3/INT3/SEG10/CTED2/
45
ECCP2/P2A
RB3
INT3
SEG10
CTED2
ECCP2
P2A
I/O TTL
I
ST
O Analog
I
ST
I/O ST
O
—
Digital I/O.
External Interrupt 3.
SEG10 output for LCD.
CTMU Edge 2 input.
Capture 2 input/Compare 2 output/PWM2.
Enhanced PWM2 Output A.
RB4/KBI0/SEG11
RB4
KBI0
SEG11
44
I/O TTL
Digital I/O.
I
TTL
Interrupt-on-change pin.
O Analog SEG11 output for LCD.
RB5/KBI1/SEG29/T3CKI/
43
T1G
RB5
KBI1
SEG29
T3CKI
T1G
I/O TTL
I
TTL
O Analog
I
ST
I
ST
Digital I/O.
Interrupt-on-change pin.
SEG29 output for LCD.
Timer3 clock input.
Timer1 external clock gate input.
RB6/KBI2/PGC
RB6
KBI2
PGC
42
I/O TTL
Digital I/O.
I
TTL
Interrupt-on-change pin.
I/O ST
In-Circuit Debugger and ICSP™ programming clock pin.
RB7/KBI3/PGD
RB7
KBI3
PGD
37
I/O TTL
Digital I/O.
I
TTL
Interrupt-on-change pin.
I/O ST
In-Circuit Debugger and ICSP programming data pin.
Legend:
TTL
ST
I
P
I²C™
= TTL compatible input
= Schmitt Trigger input with CMOS levels
= Input
= Power
= I²C/SMBus
CMOS = CMOS compatible input or output
Analog = Analog input
O
= Output
OD = Open-Drain (no P diode to VDD)
Note 1: Default assignment for ECCP2 when the CCP2MX Configuration bit is set.
2: Alternate assignment for ECCP2 when the CCP2MX Configuration bit is cleared.
3: Not available on PIC18F65K90 and PIC18F85K90 devices.
DS39957B-page 16
Preliminary
 2010 Microchip Technology Inc.