PIC18F2450/4450
TABLE 1-3:
Pin Name
PIC18F4450 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Number
Pin Buffer
Type Type
Description
PDIP QFN TQFP
PORTD is a bidirectional I/O port.
RD0
RD1
RD2
RD3
RD4
RD5
RD6
RD7
19
20
21
22
27
28
29
30
38
39
40
41
2
38
39
40
41
2
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
ST
ST
ST
ST
ST
ST
ST
ST
Digital I/O.
Digital I/O.
Digital I/O.
Digital I/O.
Digital I/O.
Digital I/O.
Digital I/O.
3
3
4
4
5
5
Digital I/O.
Legend: TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
= Output
CMOS = CMOS compatible input or output
I
= Input
O
P
= Power
Note 1: These pins are No Connect unless the ICPRT Configuration bit is set. For NC/ICPORTS, the pin is No
Connect unless ICPRT is set and the DEBUG Configuration bit is cleared.
DS39760A-page 20
Advance Information
© 2006 Microchip Technology Inc.