PIC18FXX20 Datasheet, PDF (112/366 Pages) Microchip Technology – 64/80-Pin High Performance 1 Mbit Enhanced FLASH Microcontrollers with A/D

PIC18FXX20
TABLE 10-5: PORTC FUNCTIONS
Name
Bit# Buffer Type
Function
RC0/T1OSO/T13CKI bit0
ST
Input/output port pin, Timer1 oscillator output, or Timer1/Timer3
clock input.
RC1/T1OSI/CCP2⁽¹⁾ bit1
ST
Input/output port pin, Timer1 oscillator input, or Capture2 input/
Compare2 output/PWM output (when CCP2MX configuration bit is
disabled).
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
bit2
ST
Input/output port pin or Capture1 input/Compare1 output/
PWM1 output.
bit3
ST
RC3 can also be the synchronous serial clock for both SPI and I²C
modes.
bit4
ST
RC4 can also be the SPI Data In (SPI mode) or Data I/O (I²C mode).
RC5/SDO
bit5
ST
Input/output port pin or Synchronous Serial Port data output.
RC6/TX1/CK1
bit6
ST
Input/output port pin, Addressable USART1 Asynchronous Transmit,
or Addressable USART1 Synchronous Clock.
RC7/RX1/DT1
bit7
ST
Input/output port pin, Addressable USART1 Asynchronous Receive,
or Addressable USART1 Synchronous Data.
Legend: ST = Schmitt Trigger input
Note 1: RB3 is the alternate assignment for CCP2 when CCP2MX is set.
TABLE 10-6: SUMMARY OF REGISTERS ASSOCIATED WITH PORTC
Name Bit 7 Bit 6 Bit 5 Bit 4
PORTC
RC7 RC6 RC5 RC4
LATC
LATC Data Output Register
TRISC PORTC Data Direction Register
Legend: x = unknown, u = unchanged
Bit 3
RC3
Bit 2
RC2
Bit 1
RC1
Bit 0
RC0
Value on
POR, BOR
Value on
all other
RESETS
xxxx xxxx
xxxx xxxx
1111 1111
uuuu uuuu
uuuu uuuu
1111 1111
DS39609A-page 110
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 2003 Microchip Technology Inc.