PIC18F2585_07 Datasheet, PDF (138/482 Pages) Microchip Technology – Enhanced Flash Microcontrollers with ECAN Technology, 10-Bit A/D and nanoWatt Technology

PIC18F2585/2680/4585/4680
TABLE 10-5: PORTC I/O SUMMARY
Pin Name Function I/O TRIS Buffer
Description
RC0/T1OSO/ RC0
T13CKI
OUT
0
IN
1
DIG LATC<0> data output.
ST PORTC<0> data input.
T1OSO OUT
x
ANA Timer1 oscillator output – overrides the TRIS<0> control when enabled.
T13CKI
IN
1
ST Timer1/Timer3 clock input.
RC1/T1OSI RC1
OUT
0
DIG LATC<1> data output.
IN
1
ST PORTC<1> data input.
T1OSI
IN
x
ANA Timer1 oscillator input – overrides the TRIS<1> control when enabled.
RC2/CCP1 RC2
OUT
0
DIG LATC<2> data output.
IN
1
ST PORTC<2> data input.
CCP1
OUT
0
DIG CCP1 compare output.
IN
1
ST CCP1 capture input.
RC3/SCK/SCL RC3
OUT
0
DIG LATC<3> data output.
IN
1
ST PORTC<3> data input.
SCK
OUT
0
DIG SPI clock output (MSSP module) – must have TRIS set to ‘1’ to allow the
MSSP module to control the bidirectional communication.
SCL
IN
OUT
IN
1
ST SPI clock input (MSSP module).
0
DIG I²C™/SM bus clock output (MSSP module) – must have TRIS set to ‘1’ to
allow the MSSP module to control the bidirectional communication.
1 I²C/SMB I²C/SM bus clock input.
RC4/SDI/SDA RC4
OUT
0
DIG LATC<4> data output.
IN
1
ST PORTC<4> data input.
SDI
SDA
IN
OUT
IN
1
ST SPI data input (MSSP module).
1
DIG I²C/SM bus data output (MSSP module) – must have TRIS set to ‘1’ to
allow the MSSP module to control the bidirectional communication.
1 I²C/SMB I²C/SM bus data input (MSSP module) – must have TRIS set to ‘1’ to allow
the MSSP module to control the bidirectional communication.
RC5/SDO
RC5
OUT
0
DIG LATC<5> data output.
IN
1
ST PORTC<5> data input.
SDO
OUT
0
DIG SPI data output (MSSP module).
RC6/TX/CK RC6
OUT
0
DIG LATC<6> data output.
IN
1
ST PORTC<6> data input.
TX
OUT
0
DIG EUSART data output.
CK
OUT
1
DIG EUSART synchronous clock output – must have TRIS set to ‘1’ to enable
EUSART to control the bidirectional communication.
IN
1
ST EUSART synchronous clock input.
RC7/RX/DT RC7
OUT
0
DIG LATC<7> data output.
IN
1
ST PORTC<7> data input.
RX
IN
1
ST EUSART asynchronous data input.
DT
OUT
1
DIG EUSART synchronous data output – must have TRIS set to ‘1’ to enable
EUSART to control the bidirectional communication.
IN
1
ST EUSART synchronous data input.
Legend: PWR = Power Supply; OUT = Output; IN = Input; ANA = Analog Signal; DIG = Digital Output; ST = Schmitt Buffer Input;
TTL = TTL Buffer Input
DS39625C-page 136
Preliminary
© 2007 Microchip Technology Inc.