Datasheet

 2010-2012 Microchip Technology Inc. DS39977F-page 185
PIC18F66K80 FAMILY
TABLE 11-7: PORTD FUNCTIONS
Pin Name Function
TRIS
Setting
I/O I/O Type Description
RD0/C1INA/
PSP0
RD0 0 O DIG LATD<0> data output.
1 I ST PORTD<0> data input.
C1INA 1 I ANA Comparator 1 Input A.
PSP0 x I/O ST Parallel Slave Port data.
RD1/C1INB/
PSP1
RD1
(1)
0 O DIG LATD<1> data output.
1 I ST PORTD<1> data input.
C1INB
(1)
1 I ANA Comparator 1 Input B.
PSP1
(1)
x I/O ST Parallel Slave Port data.
RD2/C2INA/
PSP2
RD2 0 O DIG LATD<2> data output.
1 I ST PORTD<2> data input.
C2INA 1 I ANA Comparator 2 Input A.
PSP2 x I/O ST Parallel Slave Port data.
RD3/C2INB/
CTMUI/PSP3
RD3 0 O DIG LATD<3> data output.
1 I ST PORTD<3> data input.
C2INB 1 I ANA Comparator 2 Input B.
CTMUI x I — CTMU pulse generator charger for the C2INB comparator input.
PSP3 x I/O ST Parallel Slave Port data.
RD4/ECCP1/
P1A/PSP4
RD4 0 O DIG LATD<4> data output.
1 I ST PORTD<4> 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.
PSP4 x I/O ST Parallel Slave Port data.
RD5/P1B/PSP5 RD5 0 O DIG LATD<5> data output.
1 I ST PORTD<5> data input.
P1B 0 O DIG ECCP1 Enhanced PWM output, Channel B. May be configured for
tri-state during Enhanced PWM shutdown events; takes priority over
port data.
PSP5 x I/O ST Parallel Slave Port data.
RD6/TX2/CK2
P1C/PSP6
RD6 0 O DIG LATD<6> data output.
1 I ST PORTD<6> data input.
TX2
(1)
0 O DIG Asynchronous serial data output (EUSARTx module); takes priority
over port data.
CK2
(1)
0 O DIG Synchronous serial clock output (EUSARTx module); user must
configure as an input.
1 I ST Synchronous serial clock input (EUSARTx module); user must
configure as an input.
P1C 0 O DIG ECCP1 Enhanced PWM output, Channel C. May be configured for
tri-state during Enhanced PWM.
PSP6 x I/O ST Parallel Slave Port data.
Legend: O = Output; I = Input; ANA = Analog Signal; DIG = CMOS Output; ST = Schmitt Trigger Buffer Input;
x = Don’t care (TRIS bit does not affect port direction or is overridden for this option)
Note 1: This is the pin assignment for 40 and 44-pin devices (PIC18F4XK80).