
PIC18F85J90 FAMILY
DS39770C-page 16
2010 Microchip Technology Inc.
PORTC is a bidirectional I/O port.
RC0/T1OSO/T13CKI
RC0
T1OSO
T13CKI
30
I/O
O
I
ST
—
ST
Digital I/O.
Timer1 oscillator output.
Timer1/Timer3 external clock input.
RC1/T1OSI/CCP2/SEG32
RC1
T1OSI
CCP2(1)
SEG32
29
I/O
I
I/O
O
ST
CMOS
ST
Analog
Digital I/O.
Timer1 oscillator input.
Capture 2 input/Compare 2 output/PWM2 output.
SEG32 output for LCD.
RC2/CCP1/SEG13
RC2
CCP1
SEG13
33
I/O
O
ST
Analog
Digital I/O.
Capture 1 input/Compare 1 output/PWM1 output.
SEG13 output for LCD.
RC3/SCK/SCL/SEG17
RC3
SCK
SCL
SEG17
34
I/O
O
ST
I2C
Analog
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I2C mode.
SEG17 output for LCD.
RC4/SDI/SDA/SEG16
RC4
SDI
SDA
SEG16
35
I/O
I
I/O
O
ST
I2C
Analog
Digital I/O.
SPI data in.
I2C data I/O.
SEG16 output for LCD.
RC5/SDO/SEG12
RC5
SDO
SEG12
36
I/O
O
ST
—
Analog
Digital I/O.
SPI data out.
SEG12 output for LCD.
RC6/TX1/CK1/SEG27
RC6
TX1
CK1
SEG27
31
I/O
O
I/O
O
ST
—
ST
Analog
Digital I/O.
EUSART asynchronous transmit.
EUSART synchronous clock (see related RX1/DT1).
SEG27 output for LCD.
RC7/RX1/DT1/SEG28
RC7
RX1
DT1
SEG28
32
I/O
I
I/O
O
ST
Analog
Digital I/O.
EUSART asynchronous receive.
EUSART synchronous data (see related TX1/CK1).
SEG28 output for LCD.
TABLE 1-3:
PIC18F6XJ90 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
OD
= Open-Drain (no P diode to VDD)
I2C = I2C/SMBus
Note 1: Default assignment for CCP2 when the CCP2MX Configuration bit is set.
2: Alternate assignment for CCP2 when the CCP2MX Configuration bit is cleared.