PIC18F2450/4450
TABLE 1-1:
DEVICE FEATURES
Features
PIC18F2450
PIC18F4450
Operating Frequency
Program Memory (Bytes)
Program Memory (Instructions)
Data Memory (Bytes)
Interrupt Sources
DC – 48 MHz
DC – 48 MHz
16384
16384
8192
8192
768
768
13
13
I/O Ports
Ports A, B, C, (E)
Ports A, B, C, D, E
Timers
3
3
Capture/Compare/PWM Modules
Enhanced USART
1
1
1
1
Universal Serial Bus (USB) Module
10-bit Analog-to-Digital Module
Resets (and Delays)
1
1
10 Input Channels
13 Input Channels
POR, BOR,
RESETInstruction,
Stack Full,
POR, BOR,
RESETInstruction,
Stack Full,
Stack Underflow (PWRT, OST),
MCLR (optional),
WDT
Stack Underflow (PWRT, OST),
MCLR (optional),
WDT
Programmable Low-Voltage Detect
Programmable Brown-out Reset
Instruction Set
Yes
Yes
Yes
Yes
75 Instructions;
75 Instructions;
83 with Extended Instruction Set 83 with Extended Instruction Set
enabled
enabled
Packages
28-pin PDIP
28-pin SOIC
40-pin PDIP
44-pin QFN
44-pin TQFP
© 2006 Microchip Technology Inc.
Advance Information
DS39760A-page 9