PIC18F2220 Datasheet, PDF (110/388 Pages) Microchip Technology – 28/40/44-Pin High-Performance, Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F2220/2320/4220/4320
TABLE 10-5: PORTC FUNCTIONS
Name
Bit# Buffer Type
Function
RC0/T1OSO/T1CKI bit 0
ST
Input/output port pin or Timer1 oscillator output/Timer1 clock input.
RC1/T1OSI/CCP2 bit 1
RC2/CCP1/P1A⁽¹⁾
bit 2
RC3/SCK/SCL
bit 3
RC4/SDI/SDA
bit 4
ST
Input/output port pin, Timer1 oscillator input or Capture2 input/
Compare2 output/PWM output when CCP2MX configuration bit is
disabled.
ST
Input/output port pin, Capture1 input/Compare1 output/PWM1 output
or enhanced PWM output A⁽¹⁾.
ST
RC3 can also be the synchronous serial clock for both SPI and I²C
modes.
ST
RC4 can also be the SPI Data In (SPI mode) or Data I/O (I²C 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.
RC7/RX/DT
bit 7
ST
Input/output port pin, Addressable USART Asynchronous Receive or
Addressable USART Synchronous Data.
Legend: ST = Schmitt Trigger input
Note 1: Enhanced PWM output is available only on PIC18F4X20 devices.
TABLE 10-6: SUMMARY OF REGISTERS ASSOCIATED WITH PORTC
Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
PORTC RC7 RC6 RC5 RC4
LATC
LATC Data Latch Register
TRISC PORTC Data Direction Register
Legend: x = unknown, u = unchanged
RC3
RC2
RC1
RC0
Value on
POR, BOR
Value on
all other
Resets
xxxx xxxx uuuu uuuu
xxxx xxxx uuuu uuuu
1111 1111 1111 1111
DS39599C-page 108
 2003 Microchip Technology Inc.