PIC18F2450 MICROCHIP [Microchip Technology], PIC18F2450 Datasheet - Page 19

• Manufacturer Part Number: PIC18F2450
• Description: 28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology
• Manufacturer: MICROCHIP [Microchip Technology]

TABLE 1-3:
© 2006 Microchip Technology Inc.
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI/RCV
RA5/AN4/HLVDIN
RA6
Legend: TTL = TTL compatible input
Note 1:
RA0
AN0
RA1
AN1
RA2
AN2
V
RA3
AN3
V
RA4
T0CKI
RCV
RA5
AN4
HLVDIN
REF
REF
Pin Name
-
+
ST
O
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.
REF
REF
-
+
= Schmitt Trigger input with CMOS levels
= Output
PIC18F4450 PINOUT I/O DESCRIPTIONS (CONTINUED)
PDIP
—
2
3
4
5
6
7
Pin Number
QFN TQFP
19
20
21
22
23
24
—
19
20
21
22
23
24
—
Advance Information
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
—
I
I
I
I
I
I
I
I
I
I
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
—
CMOS = CMOS compatible input or output
I
P
PORTA is a bidirectional I/O port.
Digital I/O.
Analog input 0.
Digital I/O.
Analog input 1.
Digital I/O.
Analog input 2.
A/D reference voltage (low) input.
Digital I/O.
Analog input 3.
A/D reference voltage (high) input.
Digital I/O.
Timer0 external clock input.
External USB transceiver RCV input.
Digital I/O.
Analog input 4.
High/Low-Voltage Detect input.
See the OSC2/CLKO/RA6 pin.
= Input
= Power
PIC18F2450/4450
Description
DS39760A-page 17