
PIC18F2450/4450
2008 Microchip Technology Inc.
DS39760D-page 9
TABLE 1-1:
DEVICE FEATURES
Features
PIC18F2450
PIC18F4450
Operating Frequency
DC – 48 MHz
Program Memory (Bytes)
16384
Program Memory (Instructions)
8192
Data Memory (Bytes)
768
Interrupt Sources
13
I/O Ports
Ports A, B, C, (E)
Ports A, B, C, D, E
Timers
3
Capture/Compare/PWM Modules
1
Enhanced USART
1
Universal Serial Bus (USB) Module
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
Programmable Brown-out Reset
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