PIC16F872
TABLE 3-5:
Name
PORTC FUNCTIONS
Bit# Buffer Type
Function
RC0/T1OSO/T1CKI bit0
ST
ST
ST
Input/output port pin or Timer1 oscillator output/Timer1 clock input.
Input/output port pin or Timer1 oscillator input.
RC1/T1OSI
RC2/CCP1
bit1
bit2
Input/output port pin or Capture1 input/Compare1 output/PWM1
output.
RC3/SCK/SCL
bit3
ST
RC3 can also be the synchronous serial clock for both SPI and I2C
modes.
RC4/SDI/SDA
RC5/SDO
RC6
bit4
bit5
bit6
bit7
ST
ST
ST
ST
RC4 can also be the SPI Data In (SPI mode) or data I/O (I2C mode).
Input/output port pin or Synchronous Serial Port data output.
Input/output port pin.
RC7
Input/output port pin.
Legend: ST = Schmitt Trigger input.
TABLE 3-6:
SUMMARY OF REGISTERS ASSOCIATED WITH PORTC
Value on:
POR,
Value on all
other resets
Address Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
BOR
xxxx xxxx uuuu uuuu
1111 1111 1111 1111
07h
87h
PORTC RC7
RC6
RC5
RC4
RC3
RC2
RC1
RC0
TRISC PORTC Data Direction Register
Legend: x= unknown, u= unchanged.
DS30221A-page 28
Preliminary
1999 Microchip Technology Inc.
MICROCHIP [ MICROCHIP ]
