Datasheet

 2001-2013 Microchip Technology Inc. DS39582C-page 47
PIC16F87XA
TABLE 4-5: PORTC FUNCTIONS
TABLE 4-6: SUMMARY OF REGISTERS ASSOCIATED WITH PORTC
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 ST Input/output port pin or Timer1 oscillator input or Capture2 input/
Compare2 output/PWM2 output.
RC2/CCP1 bit 2 ST Input/output port pin or Capture1 input/Compare1 output/
PWM1 output.
RC3/SCK/SCL bit 3 ST RC3 can also be the synchronous serial clock for both SPI and
I
2
C modes.
RC4/SDI/SDA bit 4 ST RC4 can also be the 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 or USART asynchronous transmit or
synchronous clock.
RC7/RX/DT bit 7 ST Input/output port pin or USART asynchronous receive or
synchronous data.
Legend: ST = Schmitt Trigger input
Address 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
07h PORTC RC7 RC6 RC5 RC4 RC3 RC2 RC1 RC0 xxxx xxxx uuuu uuuu
87h TRISC PORTC Data Direction Register 1111 1111 1111 1111
Legend: x = unknown, u = unchanged