Information

© 2008 Microchip Technology Inc. DS39646C-page 141
PIC18F8722 FAMILY
TABLE 11-5: PORTC FUNCTIONS
Pin Name Function
TRIS
Setting
I/O I/O Type Description
RC0/T1OSO/T13CKI RC0 0 O DIG LATC<0> data output.
1 I ST PORTC<0> data input.
T1OSO x O ANA Timer1 oscillator output; enabled when Timer1 oscillator enabled.
Disables digital I/O.
T13CKI 1 I ST Timer1/Timer3 counter input.
RC1/T1OSI/
ECCP2/P2A
RC1 0 O DIG LATC<1> data output.
1 I ST PORTC<1> data input.
T1OSI x I ANA Timer1 oscillator input; enabled when Timer1 oscillator enabled.
Disables digital I/O.
ECCP2
(1)
0 O DIG ECCP2 compare output and ECCP2 PWM output. Takes priority over
port data.
1 I ST ECCP2 capture input.
P2A
(1)
0 O DIG ECCP2 Enhanced PWM output, channel A. May be configured for
tri-state during Enhanced PWM shutdown events. Takes priority over
port data.
RC2/ECCP1/P1A RC2 0 O DIG LATC<2> data output.
1 I ST PORTC<2> data input.
ECCP1 0 O DIG ECCP1 compare output and ECCP1 PWM output. Takes priority over
port data.
1 I ST ECCP1 capture input.
P1A 0 O DIG ECCP1 Enhanced PWM output, channel A. May be configured for
tri-state during Enhanced PWM shutdown events. Takes priority over
port data.
RC3/SCK1/SCL1 RC3 0 O DIG LATC<3> data output.
1 I ST PORTC<3> data input.
SCK1 0 O DIG SPI clock output (MSSP1 module). Takes priority over port data.
1 I ST SPI clock input (MSSP1 module).
SCL1 0 ODIGI
2
C™ clock output (MSSP1 module). Takes priority over port data.
1 II
2
C/SMB I
2
C clock input (MSSP1 module); input type depends on module
setting.
RC4/SDI1/SDA1 RC4 0 O DIG LATC<4> data output.
1 I ST PORTC<4> data input.
SDI1 1 I ST SPI data input (MSSP1 module).
SDA1 1 ODIGI
2
C data output (MSSP1 module). Takes priority over port data.
1 II
2
C/SMB I
2
C data input (MSSP1 module); input type depends on module setting.
RC5/SDO1 RC5 0 O DIG LATC<5> data output.
1 I ST PORTC<5> data input.
SDO1 0 O DIG SPI data output (MSSP1 module). Takes priority over port data.
Legend: DIG = Digital level output; TTL = TTL input buffer; ST = Schmitt Trigger input buffer; ANA = Analog level input/output;
I
2
C/SMB = I
2
C/SMBus input buffer; x = Don’t care (TRIS bit does not affect port direction or is overridden for this option).
Note 1: Default assignment for ECCP2 when CCP2MX Configuration bit is set.