PIC18F87K90 Datasheet, PDF (28/566 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
PORTE is a bidirectional I/O port.
RE0/LCDBIAS1/P2D
RE0
LCDBIAS1
P2D
4
I/O ST
Digital I/O.
I Analog BIAS1 input for LCD.
O
—
ECCP2 PWM Output D.
RE1/LCDBIAS2/P2C
RE1
LCDBIAS2
P2C
3
I/O ST
Digital I/O.
I Analog BIAS2 input for LCD.
O
—
ECCP2 PWM Output C.
RE2/LCDBIAS3/P2B/
CCP10
RE2
LCDBIAS3
P2B
CCP10⁽³⁾
78
I/O ST
I Analog
O ST
I/O ST
Digital I/O.
BIAS3 input for LCD.
ECCP2 PWM Output B.
Capture 10 input/Compare 10 output/PWM10 output.
RE3/COM0/P3C/CCP9/
REFO
RE3
COM0
P3C
CCP9⁽⁴⁾
REFO
77
I/O ST
O Analog
O
—
I/O S/T
O
—
Digital I/O.
COM0 output for LCD.
ECCP3 PWM Output C.
Capture 9 input/Compare 9 output/PWM9 output.
Reference clock out.
RE4/COM1/P3B/CCP8
RE4
COM1
P3B
CCP8⁽⁴⁾
76
I/O ST
Digital I/O.
O Analog COM1 output for LCD.
O
—
ECCP4 PWM Output B.
I/O ST
Capture 8 input/Compare 8 output/PWM8 output.
RE5/COM2/P1C/CCP7
RE5
COM2
P1C
CCP7⁽⁴⁾
75
I/O ST
Digital I/O.
O Analog COM2 output for LCD.
O
—
ECCP1 PWM Output C.
I/O ST
Capture 7 input/Compare 7 output/PWM7 output.
RE6/COM3/P1B/CCP6
RE6
COM3
P1B
CCP6⁽⁴⁾
74
I/O ST
Digital I/O.
O Analog COM3 output for LCD.
O
—
ECCP1 PWM Output B.
I/O ST
Capture 6 input/Compare 6 output/PWM6 output.
RE7/ECCP2/P2A/SEG31
73
RE7
ECCP2⁽²⁾
P2A
SEG31
I/O ST
I/O ST
O
—
O Analog
Digital I/O.
Capture 2 input/Compare 2 output/PWM2 output.
ECCP2 PWM Output A.
SEG31 output for LCD.
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 28
Preliminary
 2010 Microchip Technology Inc.