PIC18F45K80-I Datasheet, PDF (182/622 Pages) Microchip Technology – 28/40/44/64-Pin, Enhanced Flash Microcontrollers with ECAN and nanoWatt XLP Technology

PIC18F66K80 FAMILY
TABLE 11-5: PORTC FUNCTIONS
Pin Name
Function
TRIS
Setting
I/O
I/O
Type
Description
RC0/SOSCO/
SCLKI
RC0
0
O DIG LATC<0> data output.
1
I ST PORTC<0> data input.
SOSCO 1
I ST SOSC oscillator output.
SCLKI
1
I ST Digital clock input; enabled when SOSC oscillator is disabled.
RC1/SOSCI
RC1
0
O DIG LATC<1> data output.
1
I ST PORTC<1> data input.
SOSCI
x
I ANA SOSC oscillator input.
RC2/T1G/
CCP2
RC2
0
O DIG LATC<2> data output.
1
I ST PORTC<2> data input.
T1G
x
I ST Timer1 external clock gate input.
CCP2
0
O DIG CCP2 compare/PWM output; takes priority over port data.
1
I ST CCP2 capture input.
RC3/REFO/
SCL/SCK
RC3
0
O DIG LATC<3> data output.
1
I ST PORTC<3> data input.
REFO
x
O DIG Reference output clock.
SCL
0
O DIG I²C™ clock output (MSSP module); takes priority over port data.
1
I
I²C I²C clock input (MSSP module); input type depends on module setting.
SCK
0
O DIG SPI clock output (MSSP module); takes priority over port data.
1
I ST SPI clock input (MSSP module).
RC4/SDA/SDI RC4
0
O DIG LATC<4> data output.
SDA
1
I ST PORTC<4> data input.
1
O DIG I²C data output (MSSP module); takes priority over port data.
1
I
I²C I²C data input (MSSP module); input type depends on module setting.
SDI
1
I ST SPI data input (MSSP module).
RC5/SDO
RC5
0
O DIG LATC<5> data output.
1
I ST PORTC<5> data input.
SDO
0
O DIG SPI data output (MSSP module).
RC6/CANTX/
RC6
0
TX1/CK1/
CCP3
1
CANTX⁽²⁾ 0
O DIG LATC<6> data output.
I ST PORTC<6> data input.
O DIG CAN bus TX.
TX1⁽¹⁾
0
O DIG Asynchronous serial data output (EUSARTx module); takes priority over port data.
CK1⁽¹⁾
0
O DIG Synchronous serial clock output (EUSARTx module); user must configure as an input.
1
I ST Synchronous serial clock input (EUSARTx module); user must configure as an input.
CCP3
0
O DIG CCP3 compare/PWM output. Takes priority over port data.
Legend:
Note 1:
2:
1
I ST CCP3 capture input.
O = Output; I = Input; I²C = I²C/SMBus; ANA = Analog Signal; DIG = CMOS Output; ST = Schmitt Trigger Buffer Input; x
= Don’t care (TRIS bit does not affect port direction or is overridden for this option)
The pin assignment for 28, 40 and 44-pin devices (PIC18F2XK80 and PIC18F4XK80).
The alternate pin assignment for CANRX and CANTX on 28, 40 and 44-pin devices (PIC18F4XK80) when the CANMX
Configuration bit is set.
DS39977F-page 182
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