PIC18F2450 MICROCHIP [Microchip Technology], PIC18F2450 Datasheet - Page 23

• 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.
RE0/AN5
RE1/AN6
RE2/AN7
RE3
V
V
V
NC/ICCK/ICPGC
NC/ICDT/ICPGD
NC/ICRST/ICV
NC/ICPORTS
NC
Legend: TTL = TTL compatible input
Note 1:
USB
SS
DD
RE0
AN5
RE1
AN6
RE2
AN7
ICCK
ICPGC
ICDT
ICPGD
ICRST
ICV
ICPORTS
Pin Name
PP
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.
(1)
PP
= Schmitt Trigger input with CMOS levels
= Output
(1)
(1)
(1)
PIC18F4450 PINOUT I/O DESCRIPTIONS (CONTINUED)
12, 31 6, 30,
11, 32 7, 8,
PDIP
10
18
—
—
—
—
—
—
8
9
Pin Number
28, 29
QFN TQFP
25
26
27
31
37
13
—
—
—
—
—
6, 29
7, 28
25
26
27
37
12
13
33
34
—
—
Advance Information
Type
Pin
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
—
O
P
P
P
P
I
I
I
I
Analog
Analog
Analog
Buffer
Type
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
—
—
—
—
CMOS = CMOS compatible input or output
I
P
PORTE is a bidirectional I/O port.
See MCLR/V
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
Internal USB 3.3V voltage regulator output.
No Connect or dedicated ICD/ICSP™ port clock.
No Connect or dedicated ICD/ICSP port clock.
No Connect or dedicated ICD/ICSP port Reset.
No Connect or 28-pin device emulation.
No Connect.
Digital I/O.
Analog input 5.
Digital I/O.
Analog input 6.
Digital I/O.
Analog input 7.
In-Circuit Debugger clock.
ICSP programming clock.
In-Circuit Debugger data.
ICSP programming data.
Master Clear (Reset) input.
Programming voltage input.
Enable 28-pin device emulation when connected
to V
= Input
= Power
SS
.
PIC18F2450/4450
PP
/RE3 pin.
Description
DS39760A-page 21