Microchip Technology DM164134 Data Sheet
© 2006 Microchip Technology Inc.
DS41159E-page 101
PIC18FXX8
TABLE 9-5:
PORTC FUNCTIONS
TABLE 9-6:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTC
Name
Bit#
Buffer Type
Function
RC0/T1OSO/T1CKI
bit 0
ST
Input/output port pin, Timer1 oscillator output or Timer1/Timer3 clock
input.
input.
RC1/T1OSI
bit 1
ST
Input/output port pin or Timer1 oscillator input.
RC2/CCP1
bit 2
ST
Input/output port pin or Capture 1 input/Compare 1 output/
PWM1 output.
PWM1 output.
RC3/SCK/SCL
bit 3
ST
Input/output port pin or synchronous serial clock for SPI™/I
2
C™.
RC4/SDI/SDA
bit 4
ST
Input/output port pin or SPI data in (SPI mode) or data I/O (I
2
C mode).
RC5/SDO
bit 5
ST
Input/output port pin or synchronous serial port data output.
RC6/TX/CK
bit 6
ST
Input/output port pin, addressable USART asynchronous transmit or
addressable USART synchronous clock.
addressable USART synchronous clock.
RC7/RX/DT
bit 7
ST
Input/output port pin, addressable USART asynchronous receive or
addressable USART synchronous data.
addressable USART synchronous data.
Legend: ST = Schmitt Trigger input
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
Value on
all other
Resets
PORTC
RC7
RC6
RC5
RC4
RC3
RC2
RC1
RC0
xxxx xxxx
uuuu uuuu
LATC
LATC Data Output Register
xxxx xxxx
uuuu uuuu
TRISC
PORTC Data Direction Register
1111 1111
1111 1111
Legend: x = unknown, u = unchanged