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PIC18F4450-E/ML Datasheet(PDF) 20 Page - Microchip Technology

Part # PIC18F4450-E/ML
Description  28/40/44-Pin, High-Performance, 12 MIPS, Enhanced Flash, USB Microcontrollers with nanoWatt Technology
PDF  320 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F4450-E/ML Datasheet(HTML) 20 Page - Microchip Technology

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PIC18F2450/4450
DS39760A-page 18
Advance Information
© 2006 Microchip Technology Inc.
PORTB is a bidirectional I/O port. PORTB can be
software programmed for internal weak pull-ups on all
inputs.
RB0/AN12/INT0
RB0
AN12
INT0
33
9
8
I/O
I
I
TTL
Analog
ST
Digital I/O.
Analog input 12.
External interrupt 0.
RB1/AN10/INT1
RB1
AN10
INT1
34
10
9
I/O
I
I
TTL
Analog
ST
Digital I/O.
Analog input 10.
External interrupt 1.
RB2/AN8/INT2/VMO
RB2
AN8
INT2
VMO
35
11
10
I/O
I
I
O
TTL
Analog
ST
—
Digital I/O.
Analog input 8.
External interrupt 2.
External USB transceiver VMO output.
RB3/AN9/VPO
RB3
AN9
VPO
36
12
11
I/O
I
O
TTL
Analog
—
Digital I/O.
Analog input 9.
External USB transceiver VPO output.
RB4/AN11/KBI0
RB4
AN11
KBI0
37
14
14
I/O
I
I
TTL
Analog
TTL
Digital I/O.
Analog input 11.
Interrupt-on-change pin.
RB5/KBI1/PGM
RB5
KBI1
PGM
38
15
15
I/O
I
I/O
TTL
TTL
ST
Digital I/O.
Interrupt-on-change pin.
Low-Voltage ICSP™ Programming enable pin.
RB6/KBI2/PGC
RB6
KBI2
PGC
39
16
16
I/O
I
I/O
TTL
TTL
ST
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming clock pin.
RB7/KBI3/PGD
RB7
KBI3
PGD
40
17
17
I/O
I
I/O
TTL
TTL
ST
Digital I/O.
Interrupt-on-change pin.
In-Circuit Debugger and ICSP programming data pin.
TABLE 1-3:
PIC18F4450 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
PDIP
QFN
TQFP
Legend: TTL = TTL compatible input
CMOS = CMOS compatible input or output
ST
= Schmitt Trigger input with CMOS levels
I
= Input
O
= Output
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.



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