PIC16F872_06 Datasheet, PDF (36/168 Pages) Microchip Technology – 28-Pin, 8-Bit CMOS Flash Microcontroller with 10-Bit A/D

PIC16F872
TABLE 4-5: PORTC FUNCTIONS
Name
Bit# Buffer Type
Function
RC0/T1OSO/T1CKI bit0
ST
RC1/T1OSI/CCP2 bit1
ST
RC2/CCP1
bit2
ST
RC3/SCK/SCL
bit3
ST
RC4/SDI/SDA
RC5/SDO
bit4
ST
bit5
ST
RC6
bit6
ST
RC7
bit7
ST
Legend: ST = Schmitt Trigger input
Input/output port pin or Timer1 oscillator output/Timer1 clock input.
Input/output port pin or Timer1 oscillator input or Capture2 input/
Compare2 output/PWM2 output.
Input/output port pin or Capture1 input/Compare1 output/
PWM output.
RC3 can also be the synchronous serial clock for both SPI and I²C
modes.
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
(SPI mode).
Input/output port pin.
Input/output port pin.
TABLE 4-6: SUMMARY OF REGISTERS ASSOCIATED WITH PORTC
Address Name Bit 7 Bit 6 Bit 5 Bit 4
07h
PORTC RC7 RC6 RC5 RC4
87h
TRISC PORTC Data Direction Register
Legend: x = unknown, u = unchanged
Bit 3
RC3
Bit 2
RC2
Bit 1
RC1
Bit 0
Value on:
POR,
BOR
Value on
all other
RESETS
RC0 xxxx xxxx uuuu uuuu
1111 1111 1111 1111
DS30221C-page 34
© 2006 Microchip Technology Inc.