
PIC18F6390/6490/8390/8490
DS39629C-page 24
2007 Microchip Technology Inc.
PORTD is a bidirectional I/O port.
RD0/SEG0
RD0
SEG0
72
I/O
O
ST
Analog
Digital I/O.
SEG0 output for LCD.
RD1/SEG1
RD1
SEG1
69
I/O
O
ST
Analog
Digital I/O.
SEG1 output for LCD.
RD2/SEG2
RD2
SEG2
68
I/O
O
ST
Analog
Digital I/O.
SEG2 output for LCD.
RD3/SEG3
RD3
SEG3
67
I/O
O
ST
Analog
Digital I/O.
SEG3 output for LCD.
RD4/SEG4
RD4
SEG4
66
I/O
O
ST
Analog
Digital I/O.
SEG4 output for LCD.
RD5/SEG5
RD5
SEG5
65
I/O
O
ST
Analog
Digital I/O.
SEG5 output for LCD.
RD6/SEG6
RD6
SEG6
64
I/O
O
ST
Analog
Digital I/O.
SEG6 output for LCD.
RD7/SEG7
RD7
SEG7
63
I/O
O
ST
Analog
Digital I/O.
SEG7 output for LCD.
TABLE 1-3:
PIC18F8X90 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number Pin
Type
Buffer
Type
Description
TQFP
Legend: TTL = TTL compatible input
CMOS = CMOS compatible input or output
ST
= Schmitt Trigger input with CMOS levels
Analog = Analog input
I
= Input
O
= Output
P
= Power
OD
= Open-Drain (no P diode to VDD)
Note 1: Default assignment for CCP2 when Configuration bit, CCP2MX, is set.
2: Alternate assignment for CCP2 when Configuration bit, CCP2MX, is cleared.