Datasheet

PIC18F2450/4450
© 2008 Microchip Technology Inc. DS39760D-page 9
TABLE 1-1: DEVICE FEATURES
Features PIC18F2450 PIC18F4450
Operating Frequency DC – 48 MHz DC – 48 MHz
Program Memory (Bytes) 16384 16384
Program Memory (Instructions) 8192 8192
Data Memory (Bytes) 768 768
Interrupt Sources 13 13
I/O Ports Ports A, B, C, (E) Ports A, B, C, D, E
Timers 3 3
Capture/Compare/PWM Modules 1 1
Enhanced USART 1 1
Universal Serial Bus (USB) Module 1 1
10-Bit Analog-to-Digital Module 10 Input Channels 13 Input Channels
Resets (and Delays) POR, BOR,
RESET Instruction,
Stack Full,
Stack Underflow (PWRT, OST),
MCLR
(optional),
WDT
POR, BOR,
RESET Instruction,
Stack Full,
Stack Underflow (PWRT, OST),
MCLR (optional),
WDT
Programmable Low-Voltage Detect Yes Yes
Programmable Brown-out Reset Yes Yes
Instruction Set 75 Instructions;
83 with Extended Instruction Set
enabled
75 Instructions;
83 with Extended Instruction Set
enabled
Packages 28-Pin SPDIP
28-Pin SOIC
28-Pin QFN
40-Pin PDIP
44-Pin QFN
44-Pin TQFP