Datasheet

© 2007 Microchip Technology Inc. DS39629C-page 23
PIC18F6390/6490/8390/8490
PORTC is a bidirectional I/O port.
RC0/T1OSO/T13CKI
RC0
T1OSO
T13CKI
36
I/O
O
I
ST
—
ST
Digital I/O.
Timer1 oscillator output.
Timer1/Timer3 external clock input.
RC1/T1OSI/CCP2
RC1
T1OSI
CCP2
(1)
35
I/O
I
I/O
ST
CMOS
ST
Digital I/O.
Timer1 oscillator input.
Capture 2 input/Compare 2 output/PWM2 output.
RC2/CCP1/SEG13
RC2
CCP1
SEG13
43
I/O
I/O
O
ST
ST
Analog
Digital I/O.
Capture 1 input/Compare 1 output/PWM1 output.
SEG13 output for LCD.
RC3/SCK/SCL
RC3
SCK
SCL
44
I/O
I/O
I/O
ST
ST
ST
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I
2
C™ mode.
RC4/SDI/SDA
RC4
SDI
SDA
45
I/O
I
I/O
ST
ST
ST
Digital I/O.
SPI data in.
I
2
C data I/O.
RC5/SDO/SEG12
RC5
SDO
SEG12
46
I/O
O
O
ST
—
Analog
Digital I/O.
SPI data out.
SEG12 output for LCD.
RC6/TX1/CK1
RC6
TX1
CK1
37
I/O
O
I/O
ST
—
ST
Digital I/O.
EUSART1 asynchronous transmit.
EUSART1 synchronous clock (see related RX1/DT1).
RC7/RX1/DT1
RC7
RX1
DT1
38
I/O
I
I/O
ST
ST
ST
Digital I/O.
EUSART1 asynchronous receive.
EUSART1 synchronous data (see related TX1/CK1).
TABLE 1-3: PIC18F8X90 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 V
DD)
Note 1: Default assignment for CCP2 when Configuration bit, CCP2MX, is set.
2: Alternate assignment for CCP2 when Configuration bit, CCP2MX, is cleared.