PIC18F87K90 Datasheet, PDF (24/566 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC18F87K90 FAMILY
TABLE 1-4: PIC18F8XK90 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number _{Pin Buffer}
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/FLT0
RB0
INT0
SEG30
FLT0
58
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
57
I/O TTL
Digital I/O.
I
ST
External Interrupt 1.
O Analog SEG8 output for LCD.
RB2/INT2/SEG9/CTED1
56
RB2
I/O TTL
Digital I/O.
INT2
I
ST
External Interrupt 2.
SEG9
O Analog SEG9 output for LCD.
CTED1
I
ST
CTMU Edge 1 input.
RB3/INT3/SEG10/
CTED2/ECCP2/P2A
RB3
INT3
SEG10
CTED2
ECCP2
P2A
55
I/O TTL
I
ST
O Analog
I
ST
I/O ST
O ST
Digital I/O.
External Interrupt 3.
SEG10 output for LCD.
CTMU Edge 2 input.
Capture 2 input/Compare 2 output/PWM2 output.
Enhanced PWM 2 Output A.
RB4/KBI0/SEG11
RB4
KBI0
SEG11
54
I/O TTL
Digital I/O.
I TTL
Interrupt-on-change pin.
O Analog SEG11 output for LCD.
RB5/KBI1/SEG29/T3CKI/
53
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.
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
I = Input
P = Power
I²C™ = I²C/SMBus
CMOS
Analog
O
OD
= CMOS compatible input or output
= Analog input
= Output
= Open-Drain (no P diode to VDD)
Note 1:
2:
3:
4:
Default assignment for ECCP2 when the CCP2MX Configuration bit is set.
Alternate assignment for ECCP2 when the CCP2MX Configuration bit is cleared.
Not available on PIC18F65K90 and PIC18F85K90 devices.
The CCP6, CCP7, CCP8 and CCP9 pin placement depends on the ECCPMX Configuration bit setting.
DS39957B-page 24
Preliminary
 2010 Microchip Technology Inc.